Word: underteacher
Part of speech: Noun
Syllables: un
der
teach
er
Definition: A lower-ranking teacher; an assistant teacher.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: teach
Language: en
PoS: Noun
Meaning: teacher
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form nouns shorter than more formal synonyms.