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without notice is not in our dictionary (yet). Here's what it could mean:

Confidence: high

Results generated using artificial intelligence.

adverb

  • Occurring suddenly or unexpectedly, with no advance warning or communication.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Their flight had first been delayed, then rescheduled—then moved earlier without notice.

From Slate • Mar. 26, 2026

Both would have been dismissed without notice, if they had not resigned, the panel decided.

From BBC • Mar. 2, 2026

Thesaurus

Possible Synonyms

Words in our thesaurus

other words

  • with no heads-up

Possible Antonyms

Words in our thesaurus

other words

  • predictably
  • after a long countdown
  • by appointment
  • with fair warning
  • prospectively

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