unrealistic (現実的でない): His goals were unrealistic and unattainable. (彼の目標は現実的でなく達成不可能でした) - 試験に出る! 英単語検索辞書

unrealistic (現実的でない): His goals were unrealistic and unattainable. (彼の目標は現実的でなく達成不可能でした)

His goals were unrealistic and unattainable.