unavoidably

unavoidably — adverb

1. happening without any chance of preventing it, because the situation leaves no o

1.adverbB2
Definition

happening without any chance of preventing it, because the situation leaves no other possibility — used when a result follows naturally from events and nothing can stop it.

Example

The awards ceremony was unavoidably delayed when the main speaker's flight was cancelled.

unavoidably + delayed — common pattern with past participles

Ayesha knew she would unavoidably have to explain her decision to the whole team.

Common collocations
  • unavoidably delayed
  • unavoidably necessary
  • unavoidably absent
  • unavoidably caught up
Synonyms
  • inevitably

    more common in everyday speech; wider range of contexts

  • necessarily

    emphasises logical cause rather than external force

  • inescapably

    stronger, suggests a situation with no possible way out

Antonyms
  • avoidably

    very rare; more natural as 'it could have been avoided'

  • preventably

    rare; used mainly in technical writing

Grammar Patterns

unavoidably + verb / be + unavoidably + adjective

Usage Note

Commonly placed before the main verb ('unavoidably delayed') or after the verb 'be' ('was unavoidably'). The synonym 'inevitably' is more frequent in everyday conversation, while 'unavoidably' is slightly more formal.

Common Mistakes

The flight was unavoidably cancelled due to snow.' (correct but vague)
The flight was unavoidably cancelled when the snow buried the runway.
adding a concrete cause makes the adverb feel more natural and less padding-like.

Word family

Synonym discussion

Sense: adverb/1

All three words describe something that cannot be avoided, but they differ in tone and focus. 'Inevitably' is the most common and neutral choice — it suggests events unfolding according to a natural or logical progression ('it will inevitably rain in a typhoon season'). 'Unavoidably' (the headword) is slightly more formal and often appears with past participles ('unavoidably delayed', 'unavoidably absent'), stressing external circumstances rather than fate. 'Necessarily' highlights logical cause-and-effect: something follows as a necessary condition ('a longer route necessarily takes more time'). 'Inescapably' is the strongest, carrying a sense of pressure or confinement ('prisoners are inescapably bound by the rules'). In everyday conversation, 'inevitably' fits most situations; choose 'unavoidably' when you want to emphasise that no practical alternative existed despite people's best efforts.

inevitably ↗necessarily ↗inescapably

Common collocations

Nouns

Adverbs

  • almost unavoidably
  • apparently unavoidably
  • seemingly unavoidably

Phrases

  • unavoidably detained
  • unavoidably absent
  • unavoidably necessary

Etymology

Old FrenchAnglo-FrenchEnglish

Formed from the prefix 'un-' (not) + 'avoidably' (in a way that can be avoided). 'Avoid' comes from Anglo-French 'avolder' and Old French 'esvuidier', meaning 'to empty out, withdraw, or keep away from', from 'es-' (out) + 'vuidier' (to empty). The core image is of 'clearing out of the way' — something that is 'unavoidably' true is so certain that you cannot make it leave your path.