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.
Boast and Bragging Rights redirect here. For other uses, see Boast (disambiguation) and Bragging Rights (disambiguation). Boasting is to speak with excessive pride and self-satisfaction about oneâs achievements, possessions, or abilities. This is also known as bragging rights, which are not cancelled out by another individual's objection to said bragging rights.