WordReference Random House Learner's Dictionary of American English © 2026
un•in•ten•tion•al /ˌʌnɪnˈtɛnʃənəl/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- not intentional or deliberate;
unplanned:an unintentional insult.
un•in•ten•tion•al
(un′in ten′shə nl),USA pronunciation adj.
un′in•ten′tion•al•ly, adv.
- not intentional or deliberate:an unintentional omission from the list.
- un-1 + intentional 1775–85
- accidental, unplanned, inadvertent.
'unintentionally' also found in these entries (note: many are not synonyms or translations):
accident
- accidental
- betray
- circus
- cross-contaminate
- fall off
- garble
- mission creep
- paralogism
- slip
- spill
- telegraph
- ambiguous
- changeling
- cross-purpose
- dangling participle
- doze
- forget
- leak
- outsmart
- oversee
- Pickwickian
- tip
- stall