untrustworthy

Definitions of untrustworthy
1

adj not worthy of trust or belief

“an untrustworthy person”
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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