Of a person: Open or emphatic in expressing (sentiments). Const. of. rare.

Of persons, their affections, utterances, etc.: Freely going out, effusive, open.

Given to or characterized by open expression of feelings, intentions, etc.; (now) esp. unrestrained in showing affection; effusive, unreserved.

Inclined to, or characterized by, ‘gush’.

That has the function of giving outlet to emotion. rare.

figurative. In depreciatory sense: Given to or characterized by ‘gush’, marked by effusive display of feeling or sentiment. colloquial.

Characterized by a tendency to share with others; generous, giving, selfless. Also: characterized by a tendency to discuss emotions, personal…