Word.ws English Dictionary

cross up

cross up verb: to double-cross or betray (someone).

Verb

cross up (third-person singular simple present crosses up, present participle crossing up, simple past and past participle crossed up)

  1. (Canada, US, informal) To double-cross or betray (someone).
  2. (slang) To let down, fail or disappoint (someone); to go back on a promise to (someone).
    Synonyms:
    dingo
    Antonyms:
    come through

Synonyms of cross up

15 more synonymsFewer synonyms

Antonyms

All synonyms and antonyms of cross up

Forms of cross up

third-person singular presentcrosses up
present participlecrossing up
past participlecrossed up
pastcrossed up

Questions about cross up

What does cross up mean?
Cross up means to double-cross or betray (someone).
What part of speech is cross up?
Cross up is a verb.
What is the past tense of cross up?
The past tense of cross up is crossed up.

Words near cross up in the dictionary

  1. cross the Tiber
  2. cross the wires
  3. cross to bear
  4. cross to take up
  5. cross training
  6. cross up
  7. cross vanna
  8. cross vault
  9. cross vaults
  10. cross volga
  11. cross wires

Source and license

Adapted from Wiktionary: cross up (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: “cross up.” Word.ws, https://word.ws/cross_up. Based on Wiktionary, CC BY-SA 4.0.