· a gradual decline (in size or strength or power or number)
Hypernym(s): decline, diminution
· grow smaller; "Interest in the project waned"
Hypernym(s): decrease, diminish, lessen, fall
· become smaller; "Interest in his novels waned"
Hypernym(s): decrease, diminish, lessen, fall
Antonym(s): wax
· decrease in phase; "the moon is waning"
Hypernym(s): decrease, diminish, lessen, fall
Antonym(s): wax