extremely
adverb
- very much
Wiktionary
Pronunciation: /ɪksˈtɹimli/ / /ɪksˈtɹiːmli/
adv
Etymology: Etymology tree English extreme Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English extremely From extreme + -ly.
- To an extreme degree.
“The National Center for Health Statistics' latest data indicate that quintuplets are extremely rare, with 66 reported sets of five or more babies in 2013.”