Someone Who Doesn't Like Fun; a Spoilsport
This page is the CodyCross answer for the clue below from Apothecary, Group 1965, Puzzle 5 (Antique Jars).
Question
Someone Who Doesn't Like Fun; a Spoilsport
Answer
KILLJOY
Word Meaning:
KILLJOY — (occasionally endearing, derogatory) A person who is anti-fun, or prevents others from having fun.
Definitions from Wiktionary.