Word: forswear
Part of speech: Verb
Syllables: for
swear
Definition: To commit perjury; to break an oath.
Morphemes:
Affix: for-
Language: en
PoS: Prefix
Meaning: Completely; to the fullest extent; superseded by combinations with up in senses where no upward movement is involved, e.g. forgive = "give up (one's offenses)", forgather = "gather up", forbeat = "beat up".
Affix: swear
Language: en
PoS: Verb
Meaning: To take an oath, to promise.