irrevocableadj. incapable of being changed or called back
synonyms: irreversible, unrecallable, unalterable
antonyms: reversible, changeablepropensityn. a natural inclination or predilection toward
synonyms: natural bent, proclivity, penchant
antonyms: natural incapacity or inabilityquerulousadj. peevish, complaining, fretful
synonyms: petulant, touchy, cranky, irritable
antonyms: uncomplaining, stoical, serene, placidremonstratev. to argue or plead with someone against something, protest against, object to
synonyms: reason against, expostulaterepudiatev. to disown, reject, or deny the validity of
synonyms: disavow, abjure, renounce
antonyms: avow, affirm, aver, avouchresilientadj. able to return to an original shape or form; able to recover quickly
synonyms: springy, elastic, buoyant, bouncy
antonyms: rigid, stiff, inflexible, unyieldingreverberatev. to re-echo, resound; to reflect or be reflected repeatedly
synonyms: rumble, thunder, boom, echoscurrilousadj. coarsely abusive, vulgar or low (especially in language), foul mouthed
synonyms: obscene, filthy, abusive, vituperative
antonyms: decorous, seemly, tasteful, dignifiedsedulousadj. persistent, showing industry and determination
synonyms: assiduous, tireless. indefatigable
antonyms: lackadaisical, listless, indolent, otiosesleazyadj. thin or flimsy in texture, cheap; shoddy or inferior in quality or character; ethically low, mean, or disreputable
synonyms: inferior, cheesy, tawdry,tatty
antonyms: superior, first rate, quality, sturdy