• 拒否きょひ — refusal; rejection
• 拒絶きょぜつ — rejection; refusal (often strong)
• 拒むこばむ — to refuse; to reject
• 抗拒こうきょ — resistance; refusal to submit
• 峻拒しゅんきょ — flat refusal; stern rejection

This kanji uses the hand radical, so it often relates to an action you do with your hands. The idea is to hold something back or push it away — and from that, it came to mean refuse or reject.