Meaning

noun an account of an amusing incident (usually with a punch line)

adjective arousing or provoking laughter

adjective beyond or deviating from the usual or expected

originEtymology tree English fun Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English funny From fun + -y.

Etymology from Wiktionary, CC BY-SA 3.0