Unaccustomed

adj, verb

adj, verb ·4 syllables ·Uncommon ·Advanced level

Definitions

Verb
  1. 1
    simple past and past participle of unaccustom form-of, participle, past
Adjective
  1. 1
    Not used to an event or thing, not accustomed.

    "He is unaccustomed to the cold."

  2. 2
    To which one is not accustomed, unfamiliar

    "Guerrilla warfare opens a field of activity for every local capacity, forces the enemy into an unaccustomed method of battle, avoids the evil consequences of a great defeat, secures the national war from the risk of treason, and has the advantage of not confining it within any defined and determinate basis of operations."

Adjective
  1. 1
    unusual or unfamiliar wordnet

Example

More examples

"I'm unaccustomed to living without electricity."

Etymology

From un- + accustomed.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.