Drowsinesses, a feeling of tiredness or lethargy, can be countered with its antonyms. One such opposite is alertness, a state of being awake, attentive, and focused. Another antonym is energetic, indicating a feeling of vigor and vitality. Wakefulness, meaning the ability to remain awake, can also counter drowsiness. Being animated, lively, or enthusiastic can represent a state opposite to drowsiness. Agitation, excitement, and restlessness can also be antonyms for drowsiness. Additionally, invigoration, liveliness, and vivacity can embody the state opposite to drowsiness. By understanding and utilizing these antonyms, one can overcome drowsiness and maintain a productive and fulfilling lifestyle.