Sharp

acre

(having an intense, acrid flavour)

acuto

(intelligent)

acuto

(forming a small angle)

affilato

(able to cut easily)

aguzzo

(able to cut easily)

appuntito

(pointed, able to pierce easily)

attento

(observant, alert, acute)

diesis

(of a note, raised by one semitone)

esatto

(exact, precise, accurate, keen)

forte

(intense and sudden (of pain))

intelligente

(intelligent)

intenso

(having an intense, acrid flavour)

intenso

(intense and sudden (of pain))

losco

(illegal or dishonest)

preciso

(exact, precise, accurate, keen)

tagliente

(offensive, critical, or acrimonious)

diesare

(to raise the pitch)

diesizzare

(to raise the pitch)