Of or with reference to a musical sound: produced or characterized by relatively rapid acoustic vibrations; acute in pitch; shrill.

Of a sound, voice, instrument, etc.: having a high pitch (pitch, n.2 25a).

= high-pitched, adj. 3.

= high-pitched, adj.

Of an instrument, the voice, etc.: tuned to a high pitch; high-pitched.

Having a high vocal or musical tone; high-pitched.

Of a sound, voice, instrument, etc.: that has a high key; high-pitched.

Constituting or producing a higher tone, note, or notes.