eloquent
US /ˈel.ə.kwənt/
UK /ˈel.ə.kwənt/

1.
fluent or persuasive in speaking or writing
:
•
She delivered an eloquent speech that moved everyone.
•
His writing style is very eloquent and expressive.
2.
clearly indicating something
:
•
The ruins are an eloquent testimony to the city's past.
•
Her silence was more eloquent than any words.