The antonyms for the word "unwearied" can be defined as being exhausted or tired after a long and strenuous day. Some suitable antonyms for this word can be jaded, weary, exhausted, fatigued, drained, and spent. These antonyms signify a lack of energy, strength, and enthusiasm due to prolonged physical, emotional, or mental stress. Worn out or rundown can also be used as antonyms for this word. Conversely, antonyms such as invigorated, refreshed, energetic, rejuvenated, and revitalized imply the exact opposite of "unwearied," indicating a renewed and revitalized state of being. Maintaining a balance between work and rest is crucial to avoid experiencing the antonyms of "unwearied.