How To Use WHILE in English, Definition and Example Sentences While is a conjunction. It links two ideas that contrast with each other. Example Sentences; Chicken meat is white, while that of an ox is red. She is wealthy while we are poor. While we did all the job, they enjoyed themselves. The south has a hot, dry climate, while the north has a milder, wetter climate. While you help her, she doesn’t help anyone. While I like pop music my husband hates it. While I am lazy, my sister is really hard-working. While his wife likes operas, he doesn’t. He is careful, while