'wear off' definitions:

Definition of 'wear off'

From: WordNet
verb
Deteriorate through use or stress; "The constant friction wore out the cloth" [syn: wear, wear off, wear out, wear down, wear thin]
verb
Diminish, as by friction; "Erosion wore away the surface" [syn: wear away, wear off]

Synonyms of 'wear off'

From: Moby Thesaurus