(adv.) In an extreme manner or state; in the utmost degree; to the utmost point; exceedingly; as, extremely hot or cold.

a bit a little a outrance absolutely all out beyond all bounds beyond compare beyond comparison beyond measure bloody completely damned darned dead downright essentially ever exceedingly exceptionally excessively extraordinarily fairly flat out fundamentally hellishly hugely immeasurably immensely in a measure in a way in some measure in the extreme incalculably indefinitely infinitely inordinately kind of most notably outrageously over overfull overly overmuch parlous perfectly pretty purely quite radically rarely rather remarkably scarcely slightly somewhat sort of strikingly surpassingly to a degree to some extent too totally uncommon uncommonly unconditionally unduly unequivocally unusually utterly very vitally with a vengeance