# rollover

> English word · Noun · frequency rank #35,054

## Definitions
1. The process of incrementing, especially back to an initial value.
2. A road traffic accident in which a vehicle overturns.
3. A graphic element that changes its appearance when the cursor moves over it.
4. A keyboard feature where each key is scanned independently, so that multiple simultaneous keypresses always register correctly.
5. The sudden ignition of flammable gases (produced by pyrolysis in an oxygen-poor environment) near the ceiling of a room or other enclosed space.
6. The reinvestment of funds in a new issue of the same or similar investment.
7. A fee paid by a borrower in order to defer full repayment of a loan.
8. In the National or European lottery, the situation in which a jackpot that has not been won is carried over to the next week.
9. A target on the pinball table that is activated when the ball rolls over it.

## Etymology
Deverbal from roll over.

## Easily confused with
- **roller** (https://plainspell.com/en/vs/roller-vs-rollover)

## Common misspellings (10)
`orllover`, `rlolover`, `rolloevr`, `rolloverr`, `rollovre`, `rollovver`, `rollvoer`, `rololver`, `rolover`, `rrollover`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rollover