In a manner that increases threefold or in three parts

तीन गुना

English Usage: The sound was trebly amplified in the concert hall.

Hindi Usage: ध्वनि संगीत सभा में तीन गुना बढ़ा दी गई थी।

Relating to or characterized by a treble sound or tone

ऊँची ध्वनि या ताल से संबंधित

English Usage: The trebly notes of the flute were enchanting.

Hindi Usage: बांसुरी की ऊँची ध्वनियाँ मंत्रमुग्ध कर देने वाली थीं।