untrustworthy

Synonyms:

untrusty

undependable, unreliable

not worthy of reliance or trust

unfaithful

not true to duty or obligation or promises

dishonest, dishonorable

deceptive or fraudulent; disposed to cheat or defraud or deceive

devious, shifty

characterized by insincerity or deceit; evasive

fly-by-night, shady

(of businesses and businessmen) unscrupulous

slippery, tricky

not to be trusted

Antonyms:

trustworthy, trusty

worthy of trust or belief

dependable, reliable

worthy of reliance or trust

faithful

steadfast in affection or allegiance

honest, honorable

not disposed to cheat or defraud; not deceptive or fraudulent

responsible

worthy of or requiring responsibility or trust; or held accountable

authentic, reliable

conforming to fact and therefore worthy of belief

creditworthy, responsible

having an acceptable credit rating

dependable, honest, reliable, true

worthy of being depended on

fiducial

based on trust

sure, trusted

(of persons) worthy of trust or confidence

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