expression, noun

Idiomatic expression.
  1. having very little difference between one another, being much of a muchness, being more or less the same, height comparison among acorns.
  2. pointless competition (between two equally unimpressive parties), pissing contest.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
 
 
どんぐりの背比べ どんぐりのせいくらべ
 
 
 
 
 
 
ドングリの背比べ ドングリのせいくらべ
 
 
団栗の背比べ どんぐりのせいくらべ

Contained Kanji Breakdown

stature, height, back
せ ハイ そむ.く (6th, N3)
north
ホク きた ほっ (2nd, N5)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)
month, moon
つき ゲツ ガツ (1st, N5)
compare, race, ratio
ヒ くら.べる い (5th, N2)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)