Cunctation, meaning delay or procrastination, has several antonyms that denote haste or promptness. The first antonym is briskness, depicting quickness or liveliness, and the second is dispatch, signifying the act of sending something quickly. The third antonym is alacrity, meaning eager willingness or readiness, and the fourth is promptitude, expressing the quality of being prompt or punctual. The fifth antonym is expedition, which highlights the idea of speedy progress or accomplishment. In contrast, procrastination, dilly-dallying or postponement can be used as synonyms for cunctation. Thus, antonyms for cunctation refer to the acts of efficiency, agility, and diligence, while synonyms suggest a lack of urgency, an unwillingness to act, and a preference for hesitation or delay.