Bleary (adjective)

1. Tired, looking as if one has not slept well, having red or sore eyes.
2. Not clear, indistinct, or blurry.

Origin:

The word bleary is thought to be derived from the word "blear" which means "having bleary eyes". it is first recorded in english in the 19th century.

Examples:

1. He looked bleary after a long night of studying.
2. She had bleary eyes and could hardly keep them open.
3. The morning was bleary, the sun was still not up yet.
4. The streetlights made the whole scene look bleary.
5. He had to squint to make out the bleary numbers on the clock.