1. most tired or exhausted
Usage: superlative form of weary
2. most fed up with or tired of something
Usage: superlative form of weary

Examples

• After the longest shift, she was the weariest of all the nurses.
• He felt weariest at the end of each grueling workweek.
• The weariest travelers finally reached the hotel at midnight.
• She grew weariest of his constant complaints about work.
• The students looked weariest during the final exam period.
• Among all the hikers, Tom appeared the weariest after the climb.