fixedsum

noun
UK /ˈfɪkst sʌm/
US /ˈfɪkst sʌm/

A fixedsum is an amount of money that stays the same and never changes.

The club charges a fixedsum of ten dollars to join.


OTHER MEANINGS

2. A total in math that is decided ahead of time and does not change.

In the game, each player starts with a fixedsum of points.

3. An agreed amount paid regularly instead of varying amounts.

She gets a fixedsum every month for her work.

4. A set limit of money that cannot go higher or lower.

The repair cost a fixedsum, no matter how long it took.