2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Momentous \Mo*men"tous\, a. [Cf. L. momentosus rapid,
momentary.]
Of moment or consequence; very important; weighty; as a
momentous decision; momentous affairs. -- {Mo*men"tous*ly},
adv -- {Mo*men"tous*ness}, n.
From WordNet r 1.6 [wn]:
momentous
adj : of very great significance "deciding to drop the atom bomb
was a very big decision"; "a momentous event" [syn: {big}]
more about momentous
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