The meaning of ADDITIONAL is more than is usual or expected : added. How to use additional in a sentence.

ADDITIONAL definition: added; more; supplementary. See examples of additional used in a sentence.

ADDITIONAL meaning: 1. extra: 2. extra: 3. put with something else to increase the number or amount or to make it…. Learn more.

Additional things are extra things apart from the ones already present. The U.S. is sending additional troops to the region. The insurer will also have to pay the additional costs of the trial.

Definition of additional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. (often with to) to put (one thing) to or with (another).

Collocations: additional [fees, costs, charges, discounts], additional [fees] for [shipping, delivery, packaging, installation], additional [shipping] [fees], more...

Oct 21, 2025 · additional (not comparable) Supplemental or added to something. quotations additional charge additional information additional resources You may be charged an …

Factsheet What does the word additional mean? There are two meanings listed in OED's entry for the word additional. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

If your parents get you a cell phone and add it to their plan as an additional line, they are adding one more line to their bill, so additional means another or one more.