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

ADDITIONAL definition: 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.

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

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

ad•di′tion•al•ly, adv. Collins Concise English Dictionary © HarperCollins Publishers:: additional /əˈdɪʃənəl/ adj added or supplementary adˈditionally adv 'additional' also found in these entries …

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

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

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.

additional definition: further or added to an existing amount. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "additional …