| Main Entry: | dubious |
| Part of Speech: | adjective |
| Definition: | doubtful |
Synonyms: |
arguable, chancy, debatable, diffident, disputable, dubitable, equivocal, far-fetched, fishy, fly-by-night, hesitant, iffy, improbable, indecisive, moot, mootable, open, perplexed, problematic, questionable, reluctant, shady, skeptical, suspect, suspicious, touch and go, trustless, unassured, uncertain, unclear, unconvinced, undecided, undependable, unlikely, unreliable, unsure, untrustworthy, untrusty, wavering |
| Notes: | a person is capable of doubting, whereas a thing is dubitable; dubious, unlike doubtful, carries the connotation of suspicion |
Antonyms: |
certain, definite, doubtless, positive, reliable, sure, trustworthy, trusty, undoubtful |
| Main Entry: | fly-by-night |
| Part of Speech: | adjective |
| Definition: | unreliable and shady |
Synonyms: |
brief, cowboy, disreputable, dubious, ephemeral, evanescent, fleeting, here-today-gone-tomorrow, impermanent, irresponsible, momentary, not to be relied upon, not to be trusted, passing, questionable, shady, shifty, short-lived, slimy*, slippery*, temporary, treacherous, trustless, undependable, unprofessional, unreliable, unsure, untrustworthy |
Antonyms: |
dependable, reliable, reputable, responsible, trustworthy |
| Main Entry: | undependable |
| Part of Speech: | adjective |
| Definition: | irresponsible |
Synonyms: |
bum, capricious, careless, changeable, dubious, erratic, fickle, fly-by-night, inconsistent, inconstant, indefinite, indeterminate, loose*, no bargain, no-good, treacherous, trick, tricky, trustless, unassured, uncertain, unpredictable, unreliable, unsafe, unsound, unstable, unsure, untrustworthy, variable |
Antonyms: |
dependable, reliable, responsible, trustworthy |
| Main Entry: | untrustworthy |
| Part of Speech: | adjective |
| Definition: | not dependable, unfaithful |
Synonyms: |
capricious, conniving, crooked, deceitful, devious, dishonest, disloyal, dubious, fair-weather, faithless, false, fickle, fink, fly-by-night, guileful, irresponsible, questionable, shady, sharp, shifty, slippery, sneaky, treacherous, tricky, trustless, two-faced, two-timing, unassured, undependable, unreliable, unsafe, unsure, untrue, untrusty |
Antonyms: |
dependable, faithful, honest, reliable, trustworthy |