Word: underpin
Part of speech: Verb
Syllables: un
der
pin
Definition: To support from below with props or masonry.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: pin
Language: en
PoS: Verb
Meaning: To enclose; to confine; to pen; to pound.