say it: uhn-in-TEN-shuh-nuhl
unintentional is an adjective meaning "done or made or performed with purpose and intent". It carries 2 recorded senses.
done or made or performed with purpose and intent
“style...is more than the deliberate and designed creation”
“games designed for all ages”
“well-designed houses”
not done with purpose or intent
“an unintended slight”
“an unintentional pun”
“the offense was unintentional”
“an unwitting mistake may be overlooked”
Definitions, synonyms and semantic relations for unintentional come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.