Word: outgrin
Part of speech: Verb
Syllables: out
grin
Definition: To surpass in grinning.
Morphemes:
Affix: out-
Language: en
PoS: Prefix
Meaning: Forms verbs with the sense of surpassing or exceeding the prefixed word, which need not be a verb itself.
Affix: grin
Language: en
PoS: Verb
Meaning: To express by grinning.