Outdo \Out*do"\ (out*d[=oo]"), v. t. [imp. {Outdid} (out*d[i^]d"); p. p. {Outdone} (out*d[u^]n"); p. pr. & vb. n. {Outdoing}.] To go beyond in performance; to excel; to surpass. [1913 Webster] An imposture outdoes the original. --L' Estrange. [1913 Webster] I grieve to be outdone by Gay. --Swift. [1913 Webster] {To outdo oneself} to surpass one's own previous best performance. [PJC]