additional
- 01 B1 Intermediate
adj.extra or added to what is already there.
adj.supplemental to an existing amount, number, or set. Usually functions as an attributive adjective before the noun.
Simple“The hotel charged an additional fee for using the gym facilities.”
In context“The researchers requested additional funding to extend the study for another six months, citing the need for a larger sample size.”
UsageCommonly used in formal and professional contexts to describe costs, information, or requirements.
PitfallI need an additional of time. I need additional time.When used as an adjective, 'additional' must describe a noun directly. Do not use it with 'of' like a noun phrase.
Synonyms - 02 C1 Advanced
n.a person or thing that is added to a group.
n.an entity or item that is added to an existing collection or group.
Simple“The new team member is a great additional to our office.”
In context“The archive received several rare manuscripts as additionals to the permanent collection this year.”
Teacher's tipIn modern English, the noun form is rare; 'addition' is almost always preferred by native speakers.
Synonyms
Usage additional reporting · additional layer · additional charges
“The US state department said it was aware of the reports but said it had no additional information.”
“The process allows firms to apply for additional funds for projects that were not known about at the time of the last review.”
From addition + -al.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.