adjective

additional

additional, extra, supplementary

We need additional information.

We need additional information.

There is an additional charge for this service.

There is an additional charge for this service.

additional ((noun)) extra (noun) We need additional funding for the project.

Synonyms: extra, supplementary, further; Antonyms: core, essential

From 'addition' plus the adjective-forming suffix '-al'.

This is the adjective form of the noun 'addition'. Use it to describe something that is extra or added on.

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