Word: unstar
Part of speech: Verb
Syllables: un
star
Definition: To demote a question from an oral one to a written one (because oral questions are conventionally marked with a star on the Order of Business in the House of Commons).
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: do the opposite of, reverse (a specified action)
Affix: star
Language: en
PoS: Verb
Meaning: To mark with a star or asterisk.