- extremely
- adverb
even on the hottest days, the caverns are extremely cold
Syn:very, exceedingly, exceptionally, especially, extraordinarily, in the extreme, tremendously, immensely, vastly, hugely, intensely, acutely, singularly, uncommonly, unusually, decidedly, particularly, supremely, highly, remarkably, really, truly, mightily; informal terrifically, awfully, terribly, devilishly, majorly, seriously, mega, ultra, damn, damned, ever so, real, mighty, awful, way, darned, gosh-darn; archaic exceedingAnt:slightly, barely
Thesaurus of popular words. 2014.