| invincible | (adjective) incapable of being overcome or subdued | Synonyms: unbeatable, unvanquishable |
|---|
| invisible | (adjective) impossible or nearly impossible to see; imperceptible by the eye | Synonyms: unseeable |
|---|
| (adjective) not prominent or readily noticeable | Synonyms: inconspicuous |
| irascible | (adjective) characterized by anger | Synonyms: choleric |
|---|
| (adjective) quickly aroused to anger | Synonyms: choleric, hot-tempered, hotheaded, quick-tempered, short-tempered |
| irreducible | (adjective) incapable of being made smaller or simpler | - |
|---|
| irrepressible | (adjective) impossible to repress or control | Synonyms: uncontrollable |
|---|
| irreproducible | (adjective) impossible to reproduce or duplicate | Synonyms: unreproducible |
|---|
| irresistible | (adjective) impossible to resist; overpowering | Synonyms: resistless |
|---|
| (adjective) overpoweringly attractive | - |
| irresponsible | (adjective) showing lack of care for consequences | - |
|---|
| irreversible | (adjective) incapable of being reversed | - |
|---|
| legible | (adjective) (of handwriting, print, etc.) capable of being read or deciphered | - |
|---|
| miscible | (adjective) (chemistry, physics) capable of being mixed | Synonyms: mixable |
|---|
| negligible | (adjective) so small as to be meaningless; insignificant | - |
|---|
| (adjective) not worth considering | Synonyms: paltry, trifling |
| noncollapsible | (adjective) not capable of collapsing | Synonyms: noncollapsable |
|---|
| noncombustible | (adjective) not capable of igniting and burning | Synonyms: incombustible |
|---|
| nondeductible | (adjective) not allowable as a deduction | - |
|---|
| nondigestible | (adjective) not digestible | - |
|---|
| nonreversible | (adjective) not reversible or capable of having either side out | Synonyms: one-sided |
|---|
| nonsubmergible | (adjective) not submersible or submergible | Synonyms: nonsubmersible |
|---|
| nonsubmersible | (adjective) not submersible or submergible | Synonyms: nonsubmergible |
|---|
| nontransmissible | (adjective) (of disease) not capable of being passed on | Synonyms: noncommunicable, noncontagious |
|---|
| (adjective) not acquirable by inheritance | Synonyms: nonhereditary |
| omissible | (adjective) capable of being left out | - |
|---|
| ostensible | (adjective) represented or appearing as such; pretended | Synonyms: ostensive |
|---|
| (adjective) appearing as such but not necessarily so | Synonyms: apparent, seeming |
| partible | (adjective) (of e.g. property) capable of being parted or divided | - |
|---|
| perceptible | (adjective) capable of being perceived by the mind or senses | - |
|---|
| (adjective) easily seen or detected | Synonyms: detectable |
| perfectible | (adjective) capable of becoming or being made perfect | - |
|---|
| permissible | (adjective) that may be permitted especially as according to rule | Synonyms: allowable |
|---|
| (adjective) that may be accepted or conceded | - |
| persuasible | (adjective) being susceptible to persuasion | Synonyms: convincible, persuadable, suasible |
|---|
| plausible | (adjective) apparently reasonable and credible, and therefore convincing | - |
|---|
| (adjective) given to or characterized by presenting specious arguments | - |
| possible | (adjective) capable of happening or existing | - |
|---|
| (adjective) existing in possibility | Synonyms: potential |
| protractible | (adjective) able to be extended | Synonyms: protractile |
|---|
| protrusible | (adjective) capable of being thrust forward, as the tongue | Synonyms: protrusile |
|---|
| putrescible | (adjective) liable to decay or spoil or become putrid | Synonyms: decayable, putrefiable, spoilable |
|---|
| reducible | (adjective) capable of being reduced | - |
|---|
| reprehensible | (adjective) bringing or deserving severe rebuke or censure | Synonyms: condemnable, criminal, deplorable, vicious |
|---|
| reproducible | (adjective) capable of being reproduced | Synonyms: consistent |
|---|
| resistible | (adjective) capable of being resisted or withstood or frustrated | - |
|---|
| responsible | (adjective) worthy of or requiring responsibility or trust; or held accountable | - |
|---|
| (adjective) being the agent or cause | Synonyms: responsible for |
| (adjective) having an acceptable credit rating | Synonyms: creditworthy |
| reversible | (adjective) capable of reversing or being reversed | - |
|---|
| (adjective) capable of being reversed or used with either side out | Synonyms: two-sided |
| (adjective) capable of assuming or producing either of two states | - |
| (adjective) capable of being reversed | - |
| revertible | (adjective) to be returned to the former owner or that owner's heirs | - |
|---|
| risible | (adjective) arousing or provoking laughter | Synonyms: amusing, comic, comical, funny, laughable, mirthful |
|---|
| sensible | (adjective) able to feel or perceive | Synonyms: sensitive |
|---|
| (adjective) showing reason or sound judgment | Synonyms: reasonable |
| (adjective) aware intuitively or intellectually of something sensed | - |
| (adjective) readily perceived by the senses | - |
| suasible | (adjective) being susceptible to persuasion | Synonyms: convincible, persuadable, persuasible |
|---|
| submergible | (adjective) capable of being immersed in water or functioning while submerged | Synonyms: submersible |
|---|
| submersible | (adjective) capable of being immersed in water or functioning while submerged | Synonyms: submergible |
|---|
| suggestible | (adjective) susceptible or responsive to suggestion | - |
|---|
| susceptible | (adjective) (often followed by `of' or `to') yielding readily to or capable of | - |
|---|
| (adjective) easily impressed emotionally | - |
| tangible | (adjective) perceptible by the senses especially the sense of touch | Synonyms: touchable |
|---|
| (adjective) (of especially business assets) having physical substance and intrinsic monetary value | - |
| (adjective) capable of being perceived; especially capable of being handled or touched or felt | Synonyms: palpable |
| (adjective) capable of being treated as fact | Synonyms: real |
| terrible | (adjective) causing fear or dread or terror | Synonyms: awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific |
|---|
| (adjective) extreme in degree or extent or amount or impact | Synonyms: awful, frightful, tremendous |
| (adjective) intensely or extremely bad or unpleasant in degree or quality | Synonyms: severe, wicked |
| (adjective) exceptionally bad or displeasing | Synonyms: abominable, atrocious, awful, dreadful, painful, unspeakable |
| transmissible | (adjective) (of disease) capable of being transmitted by infection | Synonyms: catching, communicable, contagious, contractable, transmittable |
|---|
| (adjective) occurring among members of a family usually by heredity | Synonyms: familial, genetic, hereditary, inherited, transmitted |
| (adjective) inherited or inheritable by established rules (usually legal rules) of descent | Synonyms: ancestral, hereditary, patrimonial |
| unaccessible | (adjective) capable of being reached only with great difficulty or not at all | Synonyms: inaccessible |
|---|
| uncollectible | (adjective) not capable of being collected | Synonyms: bad |
|---|
| uncomprehensible | (adjective) difficult to understand | Synonyms: incomprehensible |
|---|
| unconvertible | (adjective) used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value | Synonyms: inconvertible, unexchangeable |
|---|
| unexpressible | (adjective) defying expression | Synonyms: inexpressible |
|---|
| unfeasible | (adjective) not capable of being carried out or put into practice | Synonyms: impracticable, infeasible, unworkable |
|---|
| unintelligible | (adjective) poorly articulated or enunciated, or drowned by noise | - |
|---|
| (adjective) hard or impossible to understand | Synonyms: opaque |
| unreproducible | (adjective) impossible to reproduce or duplicate | Synonyms: irreproducible |
|---|
| unsuasible | (adjective) not susceptible to persuasion | Synonyms: unpersuadable |
|---|
| unsusceptible | (adjective) not susceptible to | Synonyms: insusceptible |
|---|
| unvendible | (adjective) not fit for sale | Synonyms: unmarketable, unmerchantable |
|---|
| vendible | (adjective) fit to be offered for sale | Synonyms: marketable, merchantable, sellable, vendable |
|---|
| vincible | (adjective) susceptible to being defeated | Synonyms: beatable, vanquishable |
|---|
| visible | (adjective) capable of being seen; or open to easy view | Synonyms: seeable |
|---|
| (adjective) present and easily available | - |
| (adjective) obvious to the eye | - |