1
to refuse;to reject;to turn down;to dismiss
彼の計画は退けられた。
His plan was discarded.
2
to repel;to repulse;to drive away;to beat off;to defeat
3
to make (someone) leave;to send away;to turn away
4
to force (someone) to leave their post;to oust;to remove;to expel
Other forms
斥ける 【しりぞける】 · 却ける 【しりぞける】 (rarely used kanji form)