[syn: extremely, exceedingly, super, passing]
The Collaborative International Dictionary of English v.0.48:
Extremely \Ex*treme"ly\, adv.
In an extreme manner or state; in the utmost degree; to the
utmost point; exceedingly; as, extremely hot or cold.
[1913 Webster]
WordNet (r) 3.0 (2006):
extremely
adv 1: to a high degree or extent; favorably or with much
respect; "highly successful"; "He spoke highly of her";
"does not think highly of his writing"; "extremely
interesting" [syn: highly, extremely]
2: to an extreme degree; "extremely cold"; "extremely
unpleasant" [syn: extremely, exceedingly, super,
passing]