Word: underknown
Part of speech: Adjective
Syllables: un
der
known
Definition: Not known widely enough; of inadequate fame.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: known
Language: en
PoS: Adjective
Meaning: Identified as a specific type; famous, renowned.