'outdo' definitions:

Definition of 'outdo'

(from WordNet)
verb
Be or do something to a greater degree; "her performance surpasses that of any other student I know"; "She outdoes all other athletes"; "This exceeds all my expectations"; "This car outperforms all others in its class" [syn: surpass, outstrip, outmatch, outgo, exceed, outdo, surmount, outperform]
verb
Get the better of; "the goal was to best the competition" [syn: outdo, outflank, trump, best, scoop]

Synonyms of 'outdo'

From: Moby Thesaurus