Word: underpinned
Part of speech: Verb
Syllables: un
der
pinned
Definition: Simple past tense and past participle of underpin; support from beneath
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: Alternative form of peen; the part of a hammerhead opposite the flat striking surface (may have various shapes)
Affix: -ed
Language: en
PoS: Suffix
Meaning: Used to form past participles of (regular) verbs. See -en and -t for variants.