I. af ‧ fir ‧ ma ‧ tive 1 /əˈfɜːmətɪv $ -ɜːr-/ BrE AmE adjective formal
an affirmative answer or action means ‘yes’ or shows agreement OPP negative :
an affirmative nod
—affirmatively adverb
II. affirmative 2 BrE AmE noun
answer/reply in the affirmative formal to say ‘yes’ ⇨ answer/reply in the negative at ↑ negative 2 (2)