Antonyms of adj fiducial

1 of 3 senses of fiducial

Sense 3
fiducial -- (based on trust)

INDIRECT (VIA trustworthy) -> untrustworthy, untrusty -- (not worthy of trust or belief; "an untrustworthy person")

Similarity of adj fiducial

3 senses of fiducial

Sense 1
fiduciary, fiducial -- (relating to or of the nature of a legal trust (i.e. the holding of something in trust for another); "a fiduciary contract"; "in a fiduciary capacity"; "fiducial power")

Sense 2
fiducial -- (used as a fixed standard of reference for comparison or measurement; "a fiducial point")

Sense 3
fiducial -- (based on trust)
       => trustworthy (vs. untrustworthy), trusty -- (worthy of trust or belief; "a trustworthy report"; "an experienced and trustworthy traveling companion")