'dethrone' definitions:

Definition of 'dethrone'

(from WordNet)
verb
Remove a monarch from the throne; "If the King does not abdicate, he will have to be dethroned" [ant: enthrone, throne]

Definition of 'dethrone'

From: GCIDE
  • dethrone \de*throne"\ (d[-e]*thr[=o]n"), v. t. [imp. & p. p. Dethroned (d[-e]*thr[=o]nd"); p. pr. & vb. n. Dethroning.] [Pref. de- + throne: cf. F. d['e]tr[^o]ner; pref. d['e]- (L. dis-) + tr[^o]ne throne. See Throne.] To remove or drive from a throne; to depose; to divest of supreme authority and dignity. "The Protector was dethroned." --Hume. [1913 Webster]