Synonyms:
ebb, ebbing, wane
Meaning: a gradual decline (in size or strength or power or number)
verb
meaning of the word
Synonyms:
decline, go_down, wane
Meaning: grow smaller; "Interest in the project waned"
Synonyms:
wane
Meaning: become smaller; "Interest in his novels waned"
Usage examples
Now, at last, at the windows; afternoon had begun to wane.
Once seated within what he already considered his new possession, the black's courage began to wane and when the motor was started and the great propeller commenced to whir, he screamed to the Englishman to stop the thing and permit him to alight, but the aviator could neither hear nor understand the black above the noise of the propeller and exhaust.