1 bold, brazen, cheeky (informal) discourteous, disrespectful, flip (informal) forward, fresh (informal) impolite, impudent, insolent, interfering, lippy (U.S. & Canad. slang) pert, presumptuous, rude, sassy (U.S. informal) saucy (informal) uncivil, unmannerly
2 inapplicable, inappropriate, incongruous, irrelevant
2 appropriate, germane, important, pertinent, relevant, vital