Torpescence, a term used to describe a state of lethargy, can be expressed in many different ways. Some antonyms for this word are alertness, agility, animation, briskness, energy, liveliness, quickness, and vitality. When we want to describe a state of being that is the opposite of torpescence, we might say someone is lively, quick, or alert. These words are often used to describe a lively conversation, an energetic event, or even someone who is very motivated and focused. Antonyms for torpescence are useful for expressing the opposite of laziness or sluggishness, and can be used to energize a conversation or motivate oneself to action.