noun, takes する

  1. straggling, falling behind, being left behind, dropping out.
  2. falling behind the ranks, falling out of line.

Variations

Pronunciation Kanji Kana Is Common
落伍 らくご
落後 らくご

Contained Kanji Breakdown

fall, drop, come down
お.ちる ラク おち (3rd, N3)
grass, grass radical (no. 140)
Kyoto, the capital
ラク (Kentei Pre-1)
water, water radical (no. 85)
さんずい
each, every, either
カク おのおの かか (4th, N2)
late, delayed, winter radical (no. 34)
チ しゅう (Kentei 1)
mouth
くち コウ ク (1st, N4)
five, five-man squad, file
ゴ いつつ くみ (Kentei Pre-1, N1)
human radical (no. 9)
five
ゴ い いつ (1st, N5)