knowledge or experience of something. Person that you know but isn't a good friend.

For a reason.

facts provided or learned.

recurrent throbbing headache. Severe headache, often with feelings of sickness.

Introduction of a new product, film, book, etc.. To allow a film, music etc. to be sold/distributed.

under normal conditions.

father or mother. Person's, animal's mother and father. be parent to.

Being harmful, unwanted or unhelpful. no. Reply to a question or statement that means 'no'. refuse to accept.

part or feature. Ways some things look or seem to be. form aspect with.

Chemical produced by the body to control functions.

engaging in speech. action of talking. To say things or ideas to someone with words.

spoken or written account of person or event.

act or process bringing change. Exchanges of one set of clothes for another. To exchange one kind of money for another.

General term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics.

group of people organized for joint purpose. Organizations of people with the same interest.