intentional vs unintentional

intentional and unintentional both are adjectives.

Word	Noun	Adjective	Verb	Adverb
intentional	No	Yes	No	No
unintentional	No	Yes	No	No

As adjectives, intentional and unintentional are synonyms defined as:

intentional and unintentional: done or made or performed with purpose and intent

Other synonyms of intentional include designed.

intentional (adjective)	unintentional (adjective)
done or made or performed with purpose and intent	done or made or performed with purpose and intent
characterized by conscious design or purpose	not done with purpose or intent