gnawing

adj gnawing

• peaked — Also, on-peak. being at the point of maximum frequency, intensity, use, etc.; busiest or most active: Hotel rooms are most expensive during the peak travel seasons.
• barbed — A barbed remark or joke seems polite or humorous, but contains a cleverly hidden criticism.
• pointed — having a point or points: a pointed arch.
• piercing — loud or shrill, as the quality of a voice.
• keen — finely sharpened, as an edge; so shaped as to cut or pierce substances readily: a keen razor.