taru-adjective, adverb taking the 'to' particle
Literary, often used to describe an expanse of water, sky, or landscape stretching endlessly. Functions as a taru-adjective or adverb with と.
渺々たる大海原を前に、言葉を失った。
Before the boundless expanse of the ocean, I was lost for words.
湖面は渺々として、果てが見えなかった。
The lake surface stretched boundlessly, with no end in sight.
広々 is a common, everyday word for 'spacious' or 'wide open,' while 渺々 is a rare literary term emphasizing boundlessness, often with a poetic or classical feel.
果てしない is a standard adjective meaning 'endless,' used in both literal and figurative contexts. 渺々 is more restricted to visual vastness and carries a classical, descriptive nuance.
The exact derivation is uncertain. The kanji 渺 means 'vast' or 'dimly seen,' and the reduplicated form 渺々 is a classical Chinese-style expression for boundlessness, adopted into literary Japanese.