chal·lenge / ˈchalənj/ • n. 1. a call to take part in a contest or competition, esp. a duel: he accepted the challenge. ∎  a task or situation that tests someone's abilities. ∎  an attempt to win a contest or championship in a sport: a world title challenge.2. an objection or query as to the truth of something, often with an implicit demand for proof: a challenge to the legality of the order. ∎  a sentry's call for a password or other proof of identity. ∎  Law an objection regarding the eligibility or suitability of a jury member.3. Med. exposure of the immune system to pathogenic organisms or antigens.• v. [tr.] 1. invite (someone) to engage in a contest: he challenged one of my men to a duel. ∎  enter into competition with or opposition against. ∎  make a rival claim to or threaten someone's hold on (a position): they were challenging his leadership. ∎  [tr.] invite (someone) to do something that one thinks will be difficult or impossible; dare: I challenged them to make up their own minds. ∎  [usu. as adj.] (challenging) test the abilities of: challenging and rewarding employment.2. dispute the truth or validity of: employees challenged the company's requirement. ∎  Law object to (a jury member). ∎  (of a sentry) call on (someone) for proof of identity.3. Med. expose (the immune system) to pathogenic organisms or antigens.DERIVATIVES: chal·lenge·a·ble adj.chal·leng·er n.chal·leng·ing·ly adv.ORIGIN: Middle English (in the senses ‘accusation’ and ‘accuse’): from Old French chalenge (noun), chalenger (verb), from Latin calumnia ‘calumny,’ calumniari ‘calumniate.’

challenge †accusation XIII; †claim; invitation to a contest XIV; legal exception taken XVI. ME. c(h)alenge — OF. :- L. calumnia false accusation, malicious action at law (see CALUMNY).
So challenge vb. XIII. ME. c(h)alange — OF. c(h)alengier :- L. calumniārī CALUMNIATE.

Challenge woof! 1974 (PG)

When his entire family is killed, dad decides to seek revenge with his shotgun. Very bloody and violent and very nearly plotless. 90m/C VHS . Earl Owensby, William T. Hicks, Katheryn Thompson, Johnny Popwell; D: Martin Beck.