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.

18+ only. Please gamble responsibly.

Gambling can be addictive. Free, confidential help is available 24 hours a day from the National Gambling Helpline on 0808 8020 133. Visit BeGambleAware.org and GamCare, or block yourself from all UK-licensed gambling sites with GAMSTOP.

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