supplemental
word
Definition
Something that is provided in addition to what already exists or is required, often as extra help, support, or reinforcement.
Usage & Nuances
Formal or semi-formal; often used before nouns (e.g., 'supplemental income', 'supplemental material'). More common in American English; 'supplementary' can be used interchangeably but may sound slightly more British or formal.
Example Sentences
The company gives supplemental health insurance to employees.
basic
Students received supplemental reading material for the course.
basic
Many people need supplemental income to pay their bills.
basic
If you need more details, check the supplemental notes at the end of the book.
natural
Her part-time job is just supplemental to her main source of income.
natural
They offer supplemental classes if you want extra practice.
natural