| Answer | Crossword Clue |
|---|---|
| PENETRANT | Sharp, acute insect |
| KEEN | Acute; sharp |
| argute | sharp, keen or acute |
| swatting | Hit or crush (something, esp. an insect) with a sharp blow from a flat object |
| chirping | (typically of a small bird or an insect) Utter a short, sharp, high-pitched sound |
