"chilliest" in the adjective sense
1. chilly
not characterized by emotion
"a female form in marble
2. chilly, parky
appreciably or disagreeably cold
3. chilly
lacking warmth of feeling
"a chilly greeting"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License