ichidan verb, transitive verb
let someone/something come near; allow to approach
Almost always used in the negative form 寄せ付けない, meaning to keep someone or something away, to refuse to let near, or to repel. The affirmative form is rare.
彼は記者をまったく寄せ付けなかった。
He completely refused to let the reporters near him.
このスプレーは虫を寄せ付けない。
This spray keeps bugs away.