biaios describes the forceful quality of the wind-like sound in Acts 2:2.

The attested use describes a forceful wind-like sound: in Acts 2:2, the adjective modifies a singular feminine noun within the comparison of a sound from heaven to wind.

1. Forceful quality of a wind-like sound · dominant

   In Acts 2:2, βιαίας is an adjective in the genitive singular feminine within the clause comparing a sound from heaven to wind. The APB renders the verse with “a strong wind being borne,” confirming the forceful character of the comparison.

   Acts 2:2

In the Anselm Project Bible: In Acts 2:2, the APB presents the clause as “a strong wind being borne.” This wording confirms the verse's wind comparison without isolating a precise English equivalent for the adjective.