Doubt, noun. Example: There was some doubt as to the caller | The Thesaurus

Doubt, noun.

Example: There was some doubt as to the caller's identity.

Synonyms:

1. uncertainty, lack of certainty, unsureness, indecision, hesitation, hesitancy, dubiousness, suspicion, confusion
2. question mark, queries, questions
3. (rare) dubiety, incertitude

Antonyms:

1. certainty
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