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This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

活動

Reading

Kana: かつどう
Romaji: katsudou
Kana
Romaji

Definitions

noun
vs
1

action; activity

noun
2

movie (esp. during the silent movie period)

Note: abbreviation; obsolete term
See also: 活動写真

Kanji

活
Readings: カツ、 い.きる、 い.かす、 い.ける
Meanings: lively, resuscitation, being helped, living
動
Readings: ドウ、 うご.く、 うご.かす
Meanings: move, motion, change, confusion, shift, shake

Example Sentences

夜(よる)活動(かつどう)する動物(どうぶつ)もいる。
➥Some animals are active at night.
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火山(かざん)が再(ふたた)び活動(かつどう)を始(はじ)めた。
➥The volcano has become active again.
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彼(かれ)は学者(がくしゃ)でなくて活動家(かつどうか)だ。
➥He is not a learned man, but a man of action.
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彼(かれ)は慈善(じぜん)活動(かつどう)で忙(いそが)しい。
➥He's active doing charity work.
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彼(かれ)は活動的(かつどうてき)な少年(しょうねん)である。
➥He is an active boy.
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デビッドはとても活動的(かつどうてき)だ。
➥David is very active.
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