Simple past tense and past participle of prim.(verb)
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Use "primmed" in a sentence
"Madame Roux made quite a pretty picture with her delicate nose firmly in the air, her eminently kissable lips primmed into a forbidding line, and her big blue eyes taking care to look at everything but him."
"It all just felt whitewashed to death, like something primmed for display in Times Square."
"Dusting her hands, her lips primmed into a satisfied smirk, she marched back to her desk."