act incomprehensibly

verb phrase

Meaning

Behave in a manner that is impossible to understand or explain logically.

Examples

  • The witness began to act incomprehensibly during the trial, shouting random numbers at the judge.
  • When the software started to act incomprehensibly, the engineers decided to shut down the entire system.

Synonyms: act strangely, behave irrationally, act erratically, behave inscrutably