"Weary unto death" is a phrase used to describe a state of extreme exhaustion, both physically and emotionally. However, there are numerous synonyms that can be used to convey this feeling of utter fatigue. Some of these include "exhausted", "drained", "spent", "fatigued", "worn out", "shattered", "deadbeat", "broken", "knackered", "pooped", and "burnt out". Each of these words has its subtle nuances and connotations, which make them useful in different contexts. However, they all point to the same sense of being utterly overwhelmed by the demands of life, work, or circumstances, leaving one feeling completely drained and exhausted.