| 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 |
| 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 |
| 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 |
| 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 |