1An insect-repellent product or chemical used to keep insects away (e.g., mothballs, sprays, repellents for outdoor use).
押し入れに防虫剤を入れておいたら洋服がカビずに済んだ。
I put an insect repellent in the closet, and the clothes didn't get moldy.
キャンプには虫に刺されないために防虫剤のスプレーを持って行った。
I took a bug-repellent spray to the campsite to avoid insect bites.
小さい子どもの近くで強い防虫剤を使うときは注意が必要だ。
Be careful when using strong insect repellents near small children.