| backstroke | (noun) a swimming stroke that resembles the crawl except the swimmer lies on his or her back | - |
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| (verb) swim on one's back | - |
| backstroker | (noun) someone who swims the backstroke | - |
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| breaststroke | (noun) a swimming stroke; the arms are extended together in front of the head and swept back on either side accompanied by a frog kick | - |
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| (verb) swim with the face down and extend the arms forward and outward while kicking with the leg | - |
| breaststroker | (noun) someone who swims the breaststroke | - |
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| broke | (adjective) lacking funds | Synonyms: bust, skint, stone-broke, stony-broke |
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| broken | (adjective) physically and forcibly separated into pieces or cracked or split | - |
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| (adjective) not continuous in space, time, or sequence or varying abruptly | - |
| (adjective) (especially of promises or contracts) having been violated or disregarded | Synonyms: unkept |
| (adjective) out of working order (`busted' is an informal substitute for `broken') | Synonyms: busted |
| (adjective) destroyed financially | Synonyms: impoverished, wiped out |
| (adjective) thrown into a state of disarray or confusion | Synonyms: confused, disordered, upset |
| (adjective) discontinuous | - |
| (adjective) subdued or brought low in condition or status | Synonyms: crushed, humbled, humiliated, low |
| (adjective) weakened and infirm | - |
| (adjective) imperfectly spoken or written | - |
| (adjective) lacking a part or parts | - |
| (adjective) topographically very uneven | Synonyms: rugged |
| (adjective) tamed or trained to obey | Synonyms: broken in |
| brokenhearted | (adjective) full of sorrow | Synonyms: heartbroken, heartsick |
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| brokenheartedness | (noun) intense sorrow caused by loss of a loved one (especially by death) | Synonyms: grief, heartache, heartbreak |
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| broker | (noun) a businessman who buys or sells for another in exchange for a commission | Synonyms: agent, factor |
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| (verb) act as a broker | - |
| brokerage | (noun) place where a broker conducts his business | Synonyms: brokerage house |
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| (noun) a stock broker's business; charges a fee to act as intermediary between buyer and seller | Synonyms: brokerage firm, securities firm |
| (noun) the business of a broker; charges a fee to arrange a contract between two parties | - |
| downstroke | (noun) a stroke normally made in a downward direction | - |
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| enterokinase | (noun) enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin | - |
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| grok | (verb) get the meaning of something | Synonyms: apprehend, compass, comprehend, dig, get the picture, grasp, savvy |
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| heartbroken | (adjective) full of sorrow | Synonyms: brokenhearted, heartsick |
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| heatstroke | (noun) collapse caused by exposure to excessive heat | Synonyms: heat hyperpyrexia |
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| housebroken | (adjective) (of pets) trained to urinate and defecate outside or in a special place | Synonyms: house-trained |
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| hydrokinetic | (adjective) relating to fluids in motion or the forces that produce or affect such motion | - |
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| hydrokinetics | (noun) study of fluids in motion | Synonyms: hydrodynamics |
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| instroke | (noun) the stroke of an engine piston moving away from the crankshaft | - |
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| keystroke | (noun) the stroke of a key; one depression of a key on a keyboard | Synonyms: key stroke |
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| masterstroke | (noun) an achievement demonstrating great skill or mastery | - |
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| outstroke | (noun) the stroke of an engine piston moving toward the crankshaft | - |
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| parroket | (noun) any of numerous small slender long-tailed parrots | Synonyms: parakeet, paraquet, paroquet, parrakeet, parroquet |
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| pawnbroker | (noun) a person who lends money at interest in exchange for personal property that is deposited as security | - |
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| powerbroker | (noun) a person who is important by virtue of the people or votes they control | Synonyms: power broker |
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| prokaryote | (noun) a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma | Synonyms: procaryote |
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| prokaryotic | (adjective) having cells that lack membrane-bound nuclei | Synonyms: procaryotic |
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| sidestroke | (noun) a swimming stroke in which the arms move forward and backward while the legs do a scissors kick | - |
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| stockbroker | (noun) an agent in the buying and selling of stocks and bonds | - |
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| stroke | (noun) (sports) the act of swinging or striking at a ball with a club or racket or bat or cue or hand | Synonyms: shot |
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| (noun) a light touch with the hands | Synonyms: stroking |
| (noun) a single complete movement | - |
| (noun) any one of the repeated movements of the limbs and body used for locomotion in swimming or rowing | - |
| (noun) a punctuation mark (/) used to separate related items of information | Synonyms: diagonal, separatrix, slash, solidus, virgule |
| (noun) a mark made on a surface by a pen, pencil, or paintbrush | - |
| (noun) the maximum movement available to a pivoted or reciprocating piece by a cam | Synonyms: cam stroke, throw |
| (noun) a light touch | - |
| (noun) anything that happens suddenly or by chance without an apparent cause | Synonyms: accident, chance event, fortuity |
| (noun) the oarsman nearest the stern of the shell who sets the pace for the rest of the crew | - |
| (noun) (golf) the unit of scoring in golf is the act of hitting the ball with a club | - |
| (noun) a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain | Synonyms: apoplexy, cerebrovascular accident, CVA |
| (verb) treat gingerly or carefully | - |
| (verb) strike a ball with a smooth blow | - |
| (verb) row at a particular rate | - |
| (verb) touch lightly and repeatedly, as with brushing motions | - |
| stroking | (noun) a light touch with the hands | Synonyms: stroke |
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| sunstroke | (noun) sudden prostration due to exposure to the sun or excessive heat | Synonyms: insolation, siriasis, thermic fever |
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| unbroken | (adjective) not broken; whole and intact; in one piece | - |
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| (adjective) marked by continuous or uninterrupted extension in space or time or sequence | - |
| (adjective) (especially of promises or contracts) not violated or disregarded | Synonyms: kept |
| (adjective) (of farmland) not plowed | Synonyms: unploughed, unplowed |
| (adjective) not subdued or trained for service or use | - |
| upstroke | (noun) a stroke normally made in an upward direction | - |
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| urokinase | (noun) protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis | Synonyms: plasminogen activator |
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