| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | trustworthy |
| Synonyms: | candid, careful, certain, conscientious, constant, decent, decisive, definite, dependable, determined, devoted, faithful, firm, good, high-principled, honest, honorable, impeccable, incorrupt, loyal, okay, positive, predictable, proved, reputable, respectable, responsible, righteous, safe, sincere, solid, sound, stable, staunch, steadfast, steady, sterling, strong, sure, there, tried, tried-and-true, true, true-blue, true-hearted, trusty, unequivocal, unfailing, unimpeachable, upright, veracious |
| Antonyms: | deceptive, irresponsible, unreliable, untrustworthy |
| Main Entry: | authoritative |
| Part of Speech: | adjective |
| Definition: | recognized as true, valid |
| Synonyms: | accurate, attested, authentic, authenticated, circumstantiated, confirmed, definitive, dependable, documented, factual, faithful, learned, legit, proven, reliable, righteous, scholarly, sound, straight from horse's mouth, supported, trustworthy, truthful, validated, verified, veritable |
| Notes: | authoritarian is tyrannical while authoritative commands respect |
| Antonyms: | democratic |
| Main Entry: | believable |
| Part of Speech: | adjective |
| Definition: | trustworthy |
| Synonyms: | aboveboard, acceptable, authentic, colorable, conceivable, convincing, credential, credible, creditable, fiduciary, honest-to-God, imaginable, impressive, likely, persuasive, plausible, possible, presumable, presumptive, probable, rational, reasonable, reliable, satisfying, straight, supposable, tenable, tried, trusty, unquestionable, up front |
| Antonyms: | inconceivable, incredible, unbelieveable, unconvincing, unreliable, unthinkable |
| Main Entry: | certain |
| Part of Speech: | adjective |
| Definition: | undoubtable, valid |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, having down pat, in the bag, incontrovertible, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, undeniable, undoubted, unequivocal, unerring, unmistakable, verifiable |
| Antonyms: | doubtful, dubious, faltering, questionable, uncertain, unreliable, unsure |
| Main Entry: | conscientious |
| Part of Speech: | adjective |
| Definition: | thorough, careful |
| Synonyms: | complete, diligent, exact, exacting, faithful, fastidious, fussy, hanging in, hanging tough, heart and soul into, heedful, meticulous, minding p's and q's, painstaking, particular, playing safe, punctilious, punctual, reliable, tough, walking on eggs |
| Antonyms: | careless, inexact, irresponsible, uncareful, unconscientious, unscrupulous |
| Main Entry: | convincing |
| Part of Speech: | adjective |
| Definition: | persuasive |
| Synonyms: | acceptable, authentic, believeable, cogent, conclusive, credible, dependable, faithful, hopeful, impressive, incontrovertible, likely, moving, plausible, possible, powerful, presumable, probable, rational, reasonable, reliable, satisfactory, satisfying, solid, sound, swaying, telling, trustworthy, trusty, valid |
| Antonyms: | doubtful, dubious, implausible, improbable, incredible, unconvincing, unlikely, unpersuasive |
| Main Entry: | credible |
| Part of Speech: | adjective |
| Definition: | believable |
| Synonyms: | aboveboard, colorable, conceivable, conclusive, creditable, dependable, determinative, honest, honest to God, imaginable, likely, plausible, possible, probable, probably, rational, reasonable, reliable, satisfactory, satisfying, seeming, sincere, solid, sound, straight, supposable, tenable, thinkable, trustworthy, trusty, up front, valid |
| Notes: | credible means 'believable' and credulous means 'gullible' |
| Antonyms: | implausible, impossible, improbable, inconceivable, incredible, unbelievable, unimaginable, unlikely, untenable |
| Main Entry: | definitive |
| Part of Speech: | adjective |
| Definition: | authoritative |
| Synonyms: | absolute, actual, categorical, clear-cut, closing, complete, completing, concluding, conclusive, decisive, definite, determining, downright, ending, exhaustive, express, final, finishing, flat out, last, limiting, nailed down, perfect, plain, precise, real, reliable, settling, specific, straight out, terminal, terminating, ultimate, unambiguous |
| Notes: | definite means 'precise and unmistakable,' 'clear, sharply delineated'; definitive means 'final and conclusive,' 'complete, final, ultimate' - so a definitive example is a perfect example |
| Antonyms: | incomplete, inconclusive, inexact, interim, temporary, unreliable |
| Main Entry: | durable |
| Part of Speech: | adjective |
| Definition: | sturdy, long-lasting |
| Synonyms: | abiding, constant, dependable, diuturnal, enduring, fast, firm, fixed, impervious, lasting, long-continued, perdurable, perduring, permanent, persistent, reliable, resistant, sound, stable, stout, strong, substantial, tenacious, tough |
| Antonyms: | fragile, impermanent, poorly made, temporary, undependable, unsturdy, weak |