quick pace; fast tempo; rapid progress
Describes a fast speed or rhythm in work, events, or music. Often used in contexts like 急調子で進む (proceed at a quick pace).
The construction is progressing at a rapid pace.
His speech was delivered at a fast tempo.
Compound of 急 (urgent, rapid) and 調子 (tune, tone, pace). The exact historical derivation is uncertain, but the combination naturally yields the meaning 'rapid pace/tempo.'