deny / refuse / reject / decline
- deny : formally say “no”
- refuse : say “no” to the OFFER : 何かのオファーを断る
I offered him a coffee but he refused it. - decline : refuseに近いがより丁寧
He declined to clean the toilets. - reject : 提案や申し出を受け入れない。
My credit card application was rejected.
Reference source
- https://talking-english.net/reject-refuse-decline-deny/