certainly adv. 確かに, 確実に.【副詞】He was almost certainly lying when he said that.彼がそう言ったときはまず間違いなくうそをついていたmost certainly絶対に間違いなくI most certainly will not go to his wedding.彼の結婚式にはまず確実に出席しません“I don't think anything like that will happen."―“Certainly not."?そんなことが起こるなんて思わないな??絶対起こらないよ?He was quite certainly not telling the truth.まず確実に真実を語ってはいなかった. certainly not: それは駄目{だめ}だ、とんでもないcertainly!: certainly!畏まりましたかしこまりましたalmost certainly: 九分九厘{くぶ くりん}