Definition of cosmic for English Language Learners. : 1  of or relating to the universe or outer space. : 2  relating to spiritual matters. : 3  very large or important.
Definition of boast. 1 : a statement expressing excessive pride in oneself : the act or an instance of boasting (see 2boast) : brag It may sound like a boast, but I truly am very wealthy.
Noun. 1. pederast-a man who has sex (usually sodomy) with a boy as the passive partner. child molester, paederast. degenerate, deviant, deviate, pervert-a person whose behavior deviates from what is acceptable especially in sexual behavior. Translations.