forthwith.

Immediately, without waiting or causing further delay.

Use it for

Words that belong together

• return forthwith
• cease forthwith
• pay forthwith

On the page

The notice required the contractor to cease work forthwith.

Usage notes

Primary category: academic / formal. Forms: invariable adverb. Writing functions: instruction, dialogue. Commonness: uncommon. Established current formal English; no emotional intensity assigned.