effusive

Getting a compliment from your effusive Aunt Sally can be a little embarrassing. Since she's so effusive, Aunt Sally holds nothing back, gushing with enthusiasm.

The adjective effusive means "extravagantly demonstrative," and if you know someone who expresses positive emotions in a heartfelt, bubbly way, you understand just what the word means. The word effusive has a surprisingly similar definition in geology; it describes a particular kind of volcanic eruption, one in which lava bubbles up out of the volcano and flows around it.

Definitions of effusive
  1. adjective
    uttered with unrestrained enthusiasm
    synonyms: burbling, burbly, gushing
    lively
    full of life and energy
  2. adjective
    extravagantly demonstrative
    “insincere and effusive demonstrations of sentimental friendship”
    synonyms: gushing, gushy
    demonstrative
    given to or marked by the open expression of emotion
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