chilly//ˈtʃɪli//A2Frequency Level 10NeutralAdjectivechillyCanonical formchillierComparativechilliestSuperlative1Unpleasantly cold; causing a sensation of coldness.It's a bit chilly outside today.2Unfriendly or unwelcoming in manner; lacking warmth in attitude.She gave me a chilly reception when I arrived.SynonymcoldcoolfrostyAntonymwarmhot