held | (adjective) occupied or in the control of; often used in combination | - |
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heliac | (adjective) pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun | Synonyms: heliacal |
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heliacal | (adjective) pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun | Synonyms: heliac |
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helianthemum | (noun) any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions | Synonyms: sun rose, sunrose |
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helianthus | (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays | Synonyms: sunflower |
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helical | (adjective) in the shape of a coil | Synonyms: coiling, spiral, spiraling, spiralling, turbinate, volute, voluted, whorled |
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helicon | (noun) a tuba that coils over the shoulder of the musician | Synonyms: bombardon |
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helicopter | (noun) an aircraft without wings that obtains its lift from the rotation of overhead blades | Synonyms: chopper, eggbeater, whirlybird |
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heliocentric | (adjective) having the sun as the center | - |
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heliogram | (noun) a message transmitted by means of the sun's rays | - |
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heliograph | (noun) an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on | - |
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(verb) signal by means of a mirror and the using the sun's rays | - |
heliogravure | (noun) an intaglio print produced by gravure | Synonyms: gravure, photogravure |
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heliolatry | (noun) the worship of the sun | Synonyms: sun-worship |
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heliometer | (noun) an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope | - |
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heliopause | (noun) the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet | - |
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heliophila | (noun) any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes | - |
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heliopsis | (noun) any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers | Synonyms: oxeye |
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heliosphere | (noun) the region inside the heliopause containing the sun and solar system | - |
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heliotherapy | (noun) therapeutic exposure to sunlight | Synonyms: insolation |
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heliotrope | (noun) green chalcedony with red spots that resemble blood | Synonyms: bloodstone |
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heliotropism | (noun) an orienting response to the sun | - |
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heliotype | (noun) duplicator consisting of a gelatin plate from which ink can be taken to make a copy | Synonyms: hectograph |
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heliozoan | (noun) protozoa with spherical bodies and stiff radiating pseudopods | - |
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heliport | (noun) an airport for helicopters | - |
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helium | (noun) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) | Synonyms: atomic number 2, He |
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helix | (noun) a structure consisting of something wound in a continuous series of loops | Synonyms: coil, spiral, volute, whorl |
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(noun) a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle | Synonyms: spiral |
hell | (noun) noisy and unrestrained mischief | Synonyms: blaze |
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(noun) a cause of difficulty and suffering | Synonyms: blaze |
(noun) any place of pain and turmoil | Synonyms: hell on earth, hellhole, inferno, snake pit, the pits |
hellbender | (noun) large salamander of North American rivers and streams | Synonyms: Cryptobranchus alleganiensis, mud puppy |
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hellcat | (noun) a malicious woman with a fierce temper | Synonyms: harpy, vixen |
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hellebore | (noun) any plant of the Eurasian genus Helleborus | - |
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(noun) perennial herbs of the lily family having thick toxic rhizomes | Synonyms: false hellebore |
helleborine | (noun) any of several orchids of the genus Cephalanthera | - |
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(noun) any of various orchids of the genus Epipactis | - |
(noun) any of several small temperate and tropical orchids having mottled or striped leaves and spikes of small yellowish-white flowers in a twisted raceme | Synonyms: rattlesnake plantain |
heller | (noun) a rowdy or mischievous person (usually a young man) | Synonyms: devil, hellion |
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(noun) 100 halers equal 1 koruna in Czech Republic | Synonyms: haler |
(noun) 100 halers equal 1 koruna Slovakia | Synonyms: haler |
helleri | (noun) freshwater fish of Central America having a long swordlike tail; popular aquarium fish | Synonyms: swordtail, topminnow, Xyphophorus helleri |
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hellfire | (noun) a place of eternal fire envisaged as punishment for the damned | Synonyms: red region |
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hellgrammiate | (noun) large brown aquatic larva of the dobsonfly; used as fishing bait | Synonyms: dobson |
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hellhole | (noun) any place of pain and turmoil | Synonyms: hell, hell on earth, inferno, snake pit, the pits |
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hellhound | (noun) a very evil man | - |
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(noun) (Greek mythology) the three-headed dog guarding the entrance to Hades; son of Typhon | Synonyms: Cerberus |
hellion | (noun) a rowdy or mischievous person (usually a young man) | Synonyms: devil, heller |
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hellish | (adjective) extremely evil or cruel; expressive of cruelty or befitting hell | Synonyms: demonic, diabolic, diabolical, fiendish, infernal, satanic, unholy |
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(adjective) (informal) very unpleasant | Synonyms: beastly, god-awful |
hellishly | (adverb) diabolically | Synonyms: infernally |
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hellishness | (noun) The property of being extremely bad, miserable, difficult or terrifying; resembling a nightmare. | Synonyms: nightmarishness |
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hello | (noun) an expression of greeting | Synonyms: hi, how-do-you-do, howdy, hullo |
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helm | (noun) (figurative) a position of leadership | - |
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(noun) steering mechanism for a vessel; a mechanical device by which a vessel is steered | - |
(verb) be at or take the helm of | - |
helmet | (noun) a protective headgear made of hard material to resist blows | - |
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(noun) armor plate that protects the head | - |
helmeted | (adjective) equipped with or wearing a helmet | - |
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helmetflower | (noun) a herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised | Synonyms: skullcap |
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(noun) a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite | Synonyms: Aconitum napellus, helmet flower, monkshood |
(noun) any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process | Synonyms: helmet orchid |
helminth | (noun) worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes | Synonyms: parasitic worm |
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helminthiasis | (noun) infestation of the body with parasitic worms | - |
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helminthic | (adjective) capable of expelling or destroying parasitic worms | Synonyms: anthelminthic, anthelmintic, parasiticidal |
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(noun) a medication capable of causing the evacuation of parasitic intestinal worms | Synonyms: anthelminthic, anthelmintic, vermifuge |
helmsman | (noun) the person who steers a ship | Synonyms: steerer, steersman |
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helot | (noun) (Middle Ages) a person who is bound to the land and owned by the feudal lord | Synonyms: serf, villein |
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help | (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: aid, assist, assistance |
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(noun) a person or thing that is a resource that helps make something easier or possible to do | Synonyms: aid, assistance |
(noun) a means of serving | Synonyms: avail, service |
(noun) a person who contributes to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: assistant, helper, supporter |
(verb) improve the condition of | Synonyms: aid |
(verb) improve; change for the better | - |
(verb) help to some food; help with food or drink | Synonyms: serve |
(verb) take or use | Synonyms: avail |
(verb) give help or assistance; be of service | Synonyms: aid, assist |
(verb) contribute to the furtherance of | - |
(verb) be of use | Synonyms: facilitate |
(verb) abstain from doing; always used with a negative | Synonyms: help oneself |
helpdesk | (noun) a service that provides information and assistance to the users of a computer network | Synonyms: help desk |
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helper | (noun) a person who helps people or institutions (especially with financial help) | Synonyms: benefactor |
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(noun) a person who contributes to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: assistant, help, supporter |
helpful | (adjective) providing assistance or serving a useful function | - |
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helpfully | (adverb) in a helpful manner | - |
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helpfulness | (noun) the property of providing useful assistance | - |
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(noun) friendliness evidence by a kindly and helpful disposition | Synonyms: kindliness |
helping | (noun) an individual quantity of food or drink taken as part of a meal | Synonyms: portion, serving |
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helpless | (adjective) unable to manage independently | - |
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(adjective) unable to function; without help | Synonyms: lost |
(adjective) lacking in or deprived of strength or power | Synonyms: incapacitated |
helplessly | (adverb) in a helpless manner | Synonyms: impotently |
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helplessness | (noun) powerlessness revealed by an inability to act | Synonyms: impuissance, weakness |
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(noun) a feeling of being unable to manage | - |
(noun) the state of needing help from something | - |
helpmate | (noun) a helpful partner | Synonyms: helpmeet |
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helpmeet | (noun) a helpful partner | Synonyms: helpmate |
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helve | (noun) the handle of a weapon or tool | Synonyms: haft |
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helvella | (noun) any fungus of the genus Helvella having the ascocarps stalked or pleated or often in folds | - |
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