Definition: The word "acutish" means a sudden or instantaneous increase in strength, vitality, or activity. It can also refer to something that becomes extremely hot, intense, or full of energy at once. For example: - The acutish of a student who is very excited about their upcoming exam may suddenly feel energetic and energized after studying for several hours. - A person who has just finished drinking alcohol and feels like they have gained a lot of strength or vitality is said to be "acutish" because their body has become more active and ready to handle any activity that comes their way.