- (Especially in official use) immediately; without delay: we undertake to pay forthwith the money requiredMore example sentences
- In order to ensure the continuing maintenance and supply of water it is essential that all outstanding rates are paid forthwith.
- I shall be instructing my bank to cancel my direct debit to them forthwith.
- The sum of $43,000 will be paid forthwith to the solicitors of each party.
Middle English (in the sense 'along with, at the same time'): partly from earlier forthwithal, partly representing forth with used alone without a following noun.