expression, i-adjective
talkative; chatty; having a lot to say
Describes a person who talks a lot or is prone to speaking at length. Often used in the phrase 口数が多い, but the adjectival form 口数の多い is common as a prenominal modifier.
See also: 口数が多い
彼は口数の多い人ではない。
He is not a talkative person.
I had trouble with a chatty customer.