Word: underwrite
Part of speech: Verb
Syllables: un
der
write
Definition: Specifically, to assume financial responsibility for something, and guarantee it against failure.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: write
Language: en
PoS: Verb
Meaning: To make known by writing; to record; to prove by one's own written testimony; often used reflexively.