'overstep' definitions:

Definition of 'overstep'

From: WordNet
verb
Pass beyond (limits or boundaries) [syn: transgress, trespass, overstep]
verb
Be superior or better than some standard; "She exceeded our expectations"; "She topped her performance of last year" [syn: exceed, transcend, overstep, pass, go past, top]

Synonyms of 'overstep'

From: Moby Thesaurus