untrustworthy (adjective) untrustworthy: not dependable, unfaithful
Sinonime: 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
Antonime: dependable,
faithful,
honest,
reliable,
trustworthy