Jisho

×
Noun, used as a suffix
1. not exceeding ...; not more than ...; ... and under; ... and below; ... or fewer​Antonym: 以上
    16
  • さい歳
  • いか以下
  • の
  • こども子供
  • は
  • げきじょう劇場
  • には
  • にゅうじょう入場
  • できません
  • 。
Children of age sixteen and under will not be admitted to the theatre.
Noun, used as a suffix
2. below (a standard, level, etc.); under; beneath; less than​
  • きみ君の
  • ようやく要約
  • は
  • へいきん平均
  • いか以下
  • だ
  • ね
  • 。
Your summary is not up to par.
Noun, Noun which may take the genitive case particle 'no'
3. the following; the below-mentioned; the rest; followed by ...​
  • いか以下
  • の
  • せつめい説明
  • は
  • おお多く
  • の
  • こと異なる
  • りろん理論
  • を
  • ひかくてき比較的
  • たいしょう対照
  • する
  • ことによって
  • え得られた
  • ものである
  • 。
The explanation below was achieved by comparing and contrasting a variety of different theories.
Noun, used as a suffix
4. including ...; ... and other (employees, officials, etc.)​used to refer to all members of a group, starting with the head or principal figure
Other forms
以下 【いげ】、已下 【いか】、已下 【いげ】
Notes
いげ: Out-dated or obsolete kana usage. 已下: Rarely-used kanji form. いげ: Out-dated or obsolete kana usage. 已下: Rarely-used kanji form.

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