excess

Concise Oxford English Dictionary © 2008 Oxford University Press:
excess /ɪkˈsɛs, ɛk-, ˈɛksɛs/

▶noun

• 1 an amount that is more than necessary, permitted, or desirable.

  ■ the amount by which one quantity or number exceeds another.

  ■ (often in phr. in/to excess) the action of exceeding a limit.

• 2 lack of moderation, especially in eating or drinking.

  ■ (excesses) outrageous or immoderate behaviour.

• 3 Brit. a part of an insurance claim to be paid by the insured.

▶adjective usu. /ˈɛksɛs/ 

• 1 exceeding a prescribed or desirable amount.

• 2 Brit. required as extra payment.

– phrases
in excess of more than.

– origin ME: via OFr. from L. excessus, from excedere (see exceed).