Word.ws English Dictionary

is on to

is on to is the third-person singular simple present indicative of be on to.

Meaning of be on to

Verb

be on to (third-person singular simple present is on to, present participle being on to, simple past was on to, past participle been on to)

  1. (idiomatic) To figure out; to realize the truth.
    • I was planning it as a surprise, but I think he is on to me.

Questions about is on to

What is is on to the third-person singular simple present indicative of?
Is on to is the third-person singular simple present indicative of be on to.

Words near is on to in the dictionary

  1. is on one's bullshit
  2. is on one's merry way
  3. is on someone's dick
  4. is on someone's nuts
  5. is on the lookout
  6. is on to
  7. is one's own worst enemy
  8. is oneself
  9. is onto
  10. is out for
  11. is part of life's rich pageant

Source and license

Adapted from Wiktionary: is on to (page history and authors); be on to (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “is on to.” Word.ws, https://word.ws/is_on_to. Based on Wiktionary, CC BY-SA 4.0.