Word: underbook
Part of speech: Verb
Syllables: un
der
book
Definition: To fail to book enough of something; not to sell as much of something as is required.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: book
Language: en
PoS: Verb
Meaning: To reserve (something) for future use.