a word or phrase, especially an adjective or a noun, that is used after linking verbs such as be and become, and describes the subject of the verb. In some descriptions of grammar it is used to refer to any word or phrase that is governed by a verb and usually comes after the verb in a sentence.
متمم
In the sentences ‘I'm angry’ and ‘He became a politician’, ‘angry’ and ‘politician’ are complements.