Casino glossary
Eighteen terms, one line each.
Key takeaways
- 18 terms, A to Z.
- Links to fuller guides.
A to Z
- Bonus
- Extra funds or spins from a casino, with conditions.
- Cashback
- A share of stakes or losses returned.
- Deposit limit
- A cap you set on what you can pay in.
- Deposit match
- Bonus money in proportion to a deposit.
- E-wallet
- A payment account such as PayPal.
- Free spins
- Slot spins paid for by the casino or a feature.
- GAMSTOP
- The national self-exclusion scheme.
- House edge
- The casino's long-run share of stakes.
- KYC
- Identity verification.
- Live casino
- Real dealers streamed online.
- RTP
- Return to player.
- Self-exclusion
- A block on your account for six months or more.
- Significant terms
- Conditions shown with an offer.
- UKGC
- UK Gambling Commission.
- Volatility
- How unevenly a game pays.
- Wagering requirement
- Stakes needed before a bonus is cash; 10x at most.
- Welcome bonus
- A one-time offer on a first deposit.
- Withdrawal
- Taking money out of a casino account.
Bonus clauses are defined on bonus terms explained; self-exclusion on GAMSTOP explained.
Start with these
Wagering requirement, RTP and house edge and licence.
More guides: How to choose an online casino, UK casino licences explained and RTP and house edge explained.
Elsewhere in guides: How to complain about a casino, How to choose an online casino, Casino verification explained and Casino budget guide.
Wider reading: Online gambling in the UK, Non-UK casinos: the risks, Top rated online casinos UK and Independent casinos UK.
Offer terms dated 5 October 2026, from each casino's published conditions. Other casino details are reported by independent reviews. How we check. 18+. Free help: 0808 8020 133 or safer gambling.
Frequently asked questions
What does RTP mean?
Return to player.
What is KYC?
Identity verification.
What is a wagering requirement?
Stakes needed before a bonus is cash.
What is GAMSTOP?
The national self-exclusion scheme.