Word: undersleep
Part of speech: Verb
Syllables: un
der
sleep
Definition: To sleep too little.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: sleep
Language: en
PoS: Noun
Meaning: An act or instance of sleeping.