excessex·cess1 /ɪkˈses, ˈekses/ noun [countableC, uncountableU]1a larger amount of something than is allowed or neededHe told the Federal Assembly that the devaluation would compensate for an excess in public spending during the past nine months.
2in excess of more than a particular amountships carrying in excess of 20,000 tonnes of cargo
3INSURANCE a condition in an insurance policy that states that the insured person will pay a particular amount towards any damage and the insurance company will pay the rest. This condition makes people less likely to claim for small amountsThe insurance company will pay the insured value less the policy excess.