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.
Bolster (noun). a long pillow or cushion, used to support the head of a person lying on a bed; -- generally laid under the pillows. Bolster (noun). a pad, quilt, or anything used to hinder pressure, support any part of the body, or make a bandage sit easy upon a wounded part; a compress. Bolster (noun).