|Origin:||, present participle of fluere 'to flow'|
able to speak a language very well
She was fluent in English, French, and German.
someone who speaks fluent French etc speaks it like a person from that country:
He spoke in fluent Italian.
fluent speech or writing is smooth and confident, with no mistakes:
He was a fluent and rapid prose writer.
fluent movements are smooth and gentle, not sudden and sharp:
She rose with the fluent movement of an athlete.
He spoke French fluently.
—fluency noun [uncountable]