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idiom

Cross a line

kros uh LYN

/krɒs ə laɪn/

Listen

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Syllable breakdown

crossaline

Dictionary meaning

To go beyond an acceptable ethical, moral, or professional boundary, doing something that is considered wrong, offensive, or unacceptable.

Examples

  • The researcher crossed a line when he published results without participant consent.
  • His joke was funny until it crossed a line that made several colleagues uncomfortable.

Synonyms: go too far, overstep the mark

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