Amateur
Part of speech: adjective
Definition: Non-professional. Created, done, or populated by amateurs or non-professionals. Showing a lack of professionalism, experience or talent.
Part of speech: noun
Definition: A lover of something. A person attached to a particular pursuit, study, or science as to music or painting; esp. one who cultivates any study or art, from taste or attachment, without pursuing it professionally. Someone who is unqualified or insufficiently skillful.
Example sentence: Amateurism is the strongest form of discrimination in sports. Because it discriminates against the underprivileged, it discriminates against the poor. If we want sports to go back to the wealthy, let's make it amateur again.
Teen
Part of speech: noun
Definition: A teenager, a person between 13 and 19 years old.Grief; sorrow; affliction; pain - Geoffrey Chaucer, Edmund Spenser
Part of speech: verb
Definition: To excite; to provoke; to vex; to afflict; to injure. - Piers PlowmanTo hedge or fence in; to enclose. - Halliwell?
Example sentence: Teens think listening to music helps them concentrate. It doesn't. It relieves them of the boredom that concentration on homework induces.