flu ‧ ent /ˈfluːənt/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: present participle of fluere 'to flow' ]
1 . able to speak a language very well
fluent in
She was fluent in English, French, and German.
2 . fluent French/Japanese etc someone who speaks fluent French etc speaks it like a person from that country:
He spoke in fluent Italian.
3 . fluent speech or writing is smooth and confident, with no mistakes:
He was a fluent and rapid prose writer.
4 . fluent movements are smooth and gentle, not sudden and sharp:
She rose with the fluent movement of an athlete.
—fluently adverb :
He spoke French fluently.
—fluency noun [uncountable]