high-pitched russian

• пискляво

  squeakily, shrilly, high-pitched

• тонкоголо́сый

  thin-voiced, high-pitched

• пища́щий

  squeaking, peeping, chirping, high-pitched

Examples

• У Тома высо́кий го́лос.

  Tom has a high-pitched voice.

• У Тома пискля́вый го́лос.

  Tom has a high-pitched voice.

• У неё очень высо́кий пронзи́тельный го́лос.

  She has a very high-pitched voice.