'taru' adjective, adverb taking the と particle

  1. magnificent, grand, impressive, dignified, majestic, imposing, stately.
  2. fair, square, open, unashamed, brazen.

adverb taking the と particle

  1. grandly, boldly, confidently.
  2. fairly, squarely, unreservedly, brazenly.

Variations

Pronunciation Kanji Kana Is Common
堂々 どうどう
堂堂 どうどう

Contained Kanji Breakdown

public chamber, hall
ドウ (4th, N4)
esteem, furthermore, still
ショウ なお たか (9th, N1)
desert, border prairie, the 1st form is radical 13
キョウ ケイ まきがまえ
upside-down box radical (no. 13)
キョウ ケイ (Kentei 1)
mouth
くち コウ ク (1st, N4)
soil, earth, ground
ド つち は (1st, N5)
repeated kanji symbol