doubt

Definitions

A feeling of uncertainty or lack of conviction about the truth, existence, or reliability of something.

To feel uncertain about; to lack trust or confidence in.

Examples

I have no doubt that she will succeed in her new career.

When in doubt, it is best to ask for clarification.

The evidence was so overwhelming that there was no room for doubt.

Synonyms

uncertainty skepticism hesitation distrust suspicion misgiving ambivalence

Antonyms

certainty conviction confidence trust belief assurance faith