"Pertly" Natural Recordings by Native Speakers
Pertly means in a pert manner.
Pertinaciously means in a stubbornly persistent or obstinate manner. It describes someone or something that continues to insist or persevere in a particular action, attitude, or opinion despite obstacles, opposition, or lack of success.
Pertinacity refers to the quality of persisting in a course of action in spite of difficulties, opposition, or discouragement; stubbornness.
Pertness is the quality of being pert or pertly, which means being lively, spry, and energetic; having a lively, sprightly, or waif-like quality.