- 1[intransitive] to become gradually weaker or less important synonym decrease, fade Her enthusiasm for the whole idea was waning rapidly. Their popularity waned during that period.
- 2[intransitive] (of the moon) to appear slightly smaller each day after being round and full opposite wax Idioms
NAmE//weɪn//Verb Forms present simple I / you / we / they wane
he / she / it wanes
past simple waned
-ing form waning
to increase then decrease in strength, importance, etc. over a period of time
wax and wane(literary)jump to other results