unseeming means unseemly; inappropriate, or showing bad manners. Lexicurio rates it Sui generis — a strength score of 94 out of 100.
Etymology
From un- + seeming.
adj
- unseemly; inappropriate, or showing bad manners
verb
- hesitating; scrupling“You wrong the reputation of your name,
In so unseeming to confess receipt
Of that which hath so faithfully been paid.”