Delighted is a related term of mirthful.
As adjectives the difference between delighted and mirthful
is that delighted is greatly pleased while mirthful is filled with mirth.
As a verb delighted
is (delight).
delighted
English
Adjective
(
en adjective)
Greatly pleased.
*
Filled with wonder and delight.
Verb
(head)
(delight)
mirthful
English
Alternative forms
* mirthfull (archaic)
Adjective
(en-adj)
filled with mirth.
Synonyms
* happy, joyful