gruff

Example:His rude behavior at the dinner party made everyone uncomfortable.

Definition:Characterized by a lack of politeness or courtesy.

Example:She had a grumpy disposition and was always finding fault with others.

Definition:Irritable or bad-tempered, especially at regular; peevish.

Example:The speaker's asperity in his speech made many of his points fall flat.

Definition:Rudeness or harshness in tone or manner; roughness.