noun, noun or participle which takes 'suru'
sudden enlightenment; achieving full enlightenment all at once
A Buddhist yojijukugo describing the moment of sudden, complete spiritual awakening. Used in religious or philosophical contexts; not an everyday word.
彼は座禅の末、豁然大悟したと伝えられている。
It is said that after zazen, he achieved sudden full enlightenment.
悟り is the general term for enlightenment or spiritual understanding, while 豁然大悟 specifically emphasizes the suddenness and completeness of the realization.
A yojijukugo composed of 豁然 (suddenly, clearly) and 大悟 (great enlightenment). The exact historical derivation is uncertain, but the phrase is firmly associated with Zen Buddhist descriptions of sudden awakening.