Dictionary of synonyms

Synonyms and antonyms of the word: be on to

Synonyms:

Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.

Antonyms:

Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.

Usage examples:

Naturally, Charlie rejects this by reminding her of an incident involving superglue but realizes that her housekeeper may be on to something.

Source: https://collider.com/two-and-a-half-men-melanie-lynskey/