taru-adjective, adverb taking the 'to' particle
in full bloom; glorious; splendid
Literary taru-adjective describing flowers in full bloom or something at its peak of glory. Often used in the phrase 百花爛漫 (a hundred flowers in full bloom).
The spring fields and hills are beautiful with a hundred flowers in full bloom.
Her smile was radiantly glorious.
Standard kanji form for this literary adjective.
Rarely used kanji form; 漫 is the modern standard.
The kanji 爛 means 'be bright' or 'glow', and 漫 means 'overflowing' or 'spreading'. Together they suggest a radiant, overflowing splendor. The exact historical derivation is uncertain, but the word is used in classical and literary Japanese.