MASSIVELY
massively
(adverb) to a massive degree or in a massive manner; “tonight the haddock were shoaling massively in three hundred fathoms”
Source: WordNet® 3.1
Etymology
Adverb
massively (comparative more massively, superlative most massively)
In a massive manner, in a way that appears large, heavy or imposing.
(slang) Greatly.
Source: Wiktionary
Mass"ive*ly, adv.
Definition: In a heavy mass.
MASSIVE
Mass"ive, a. Etym: [F. massif.]
1. Forming, or consisting of, a large mass; compacted; weighty;
heavy; massy. "Massive armor." Dr. H. More.
2. (Min.)
Definition: In mass; not necessarily without a crystalline structure, but
having no regular form; as, a mineral occurs massive. Massive rock
(Geol.), a compact crystalline rock not distinctly schistone, as
granite; also, with some authors, an eruptive rock.
Source: Webster’s Unabridged Dictionary 1913 Edition