Without heat; with a moderate degree of cold: as, the wind blew coolly through the trees.With a moderate sensation of cold.Without haste or passion; calmly; deliberately: as, the design was formed coolly and executed with firmness.In a cool or indifferent manner; not cordially; carelessly; disrespectfully: as, he was coolly received at court.With quiet presumption or impudence; nonchalantly; impudently: as, he coolly took the best for himself.