noun, takes する, intransitive verb

  1. deterioration (in quality, performance, etc.), degradation, worsening.
  2. (visible) aging, becoming unattractive (due to aging). Colloquialism.

Variations

Pronunciation Kanji Kana Is Common
劣化 れっか

Contained Kanji Breakdown

inferiority, be inferior to, be worse
レツ おと.る (7th, N1)
few, little
すこ.し ショウ すく.ない (2nd, N4)
little, small
ショウ こ- ちい.さい (1st, N5)
feathered stick, barb radical (no. 6)
ケツ かぎ (Kentei 1)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
power, strength, strong
リョク ちから リキ (1st, N4)
change, take the form of, influence
カ ば.ける ケ (3rd, N3)
human radical (no. 9)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)