unapt

UK: /ʌnˈæpt/ US: (un apt′)

WordReference Random House Unabridged Dictionary of American English © 2025

un•apt  (un apt′), adj. 

1. not appropriate;
   unfit;
   unsuitable:
   an unapt answer.
2. not prone, likely, or disposed:
   She is unapt to waste what she has accumulated with such effort.
3. deficient in aptitude or capacity;
   slow;
   dull:
   an unapt student.

• 1325–75; Middle English; see un-¹, apt

un•apt′ly, adv. 
un•apt′ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

unapt / ʌnˈæpt/ adjective

1. (usually postpositive) often followed by for: not suitable or qualified; unfitted
2. slow to comprehend; unintelligent
3. (postpositive; may take an infinitive) not disposed or likely (to)

unˈaptly adverb

unˈaptness noun