momentous

adj.
Of utmost importance; of outstanding significance or consequence: a momentous occasion; a momentous decision.

momentously mo·men'tous·ly adv.
momentousness mo·men'tous·ness n.

adjective

1. Having great consequence or weight: earnest¹, grave², heavy, serious, severe, weighty. See important/unimportant.
2. So critically decisive as to affect the future: fatal, fateful. See decide/hesitate.

adj

Definition: very important; serious
Antonyms: immaterial, insignificant, trifling, trivial, unimportant

---

IN BRIEF: Of great importance.

Graduation is always a momentous occasion for the students who have worked so hard.

Dansk (Danish)
adj. - betydningsfuld

Nederlands (Dutch)
gedenkwaardig, gewichtig

Français (French)
adj. - capital

Deutsch (German)
adj. - folgenschwer

Ελληνική (Greek)
adj. - βαρυσήμαντος, σημαντικός, σπουδαίος

Italiano (Italian)
importante, grave

Português (Portuguese)
adj. - momentoso

Русский (Russian)
важный

Español (Spanish)
adj. - trascendental, de gran importancia

Svenska (Swedish)
adj. - betydelsefull, ödesdiger

中文（简体）(Chinese (Simplified))
重大的, 重要的

中文（繁體）(Chinese (Traditional))
adj. - 重大的, 重要的

한국어 (Korean)
adj. - 중요한

日本語 (Japanese)
adj. - 重大な

العربيه (Arabic)
‏(صفه) مهم, هام‏

עברית (Hebrew)
adj. - ‮חשוב ביותר, רציני‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.