pert, a. [sprightly], [dapper], [nimble]; [forward], [bold], [saucy], malapert.
pertain, v. appertain.
pertinacious, a. [resolute], determined, [stubborn].
pertinacity, n. resoluteness, persistence, doggedness, stubbornness.
pertinence, n. [relevancy], applicability, propriety. Antonyms: impertinence, irrelevance.
pertinent, a. [relevant], apposite, [applicable], [proper]. Antonyms: [impertinent], irrelevant.
perturb, v. disquiet, [excite], [disturb], [agitate], discompose, [distress].
perturbation, n. [excitement], [agitation], [discomposure], [distress], disconcertion, [worry]. Antonyms: [composure], imperturbation, [calmness].
perturbed, a. [excited], distressed, worried, discomposed, agitated.
perusal, n. [reading].