to echo is a form of:

Hilarious



adjective
1.
(noisily merry, funny, mirthful, joyous) ដែលកំប្លែងណាស់, ដែលគួរអោយសើច, ដែលសប្បាយ, អោយសប្បាយ
ENGLISH MEANING
adjective
1.
Mirthful; noisy; merry.