English

Adjective

gimlet-eyed ‎(comparative more gimlet-eyed, superlative most gimlet-eyed)

1. A squinting eye; squint
2. Having eyes which are in constant motion; shifty-eyed
3. Having piercing eyes, sharp-sighted.
   • 1814, Sir Walter Scott, Waverley

     'D--n her gooseberry wig,' said the corporal, when she was out of hearing, 'that gimlet-eyed jade -- mother adjutant, as we call her -- is a greater plague to the regiment than provost-marshal, ...

4. Having keen vision.^[1]

Synonyms

• squint-eyed

References

1. ↑ <a href="http://www.thefreedictionary.com/gimlet-eyed">gimlet-eyed</a>