Word: underbreath
Part of speech: Noun
Syllables: un
der
breath
Definition: An utterance made so as not to be heard by most people in the area.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: breath
Language: en
PoS: Noun
Meaning: A small amount of something, such as wind, or common sense.