We found 7 dictionaries that define the word keep an eye open:

General (3 matching dictionaries)

1. keep an eye open: Collins English Dictionary
2. keep an eye open: Wiktionary
3. keep an eye open: TheFreeDictionary.com

Business (1 matching dictionary)

4. keep an eye open: Legal dictionary

Computing (1 matching dictionary)

5. keep an eye open: Encyclopedia

Medicine (1 matching dictionary)

6. keep an eye open: Medical dictionary

Miscellaneous (1 matching dictionary)

7. keep an eye open: Idioms

Definitions from Wiktionary (keep an eye open) ▸ verb:  (idiomatic) To remain vigilant for someone or something. ▸ verb:  (idiomatic) To remain vigilant for a possibly dangerous situation. Similar: keep a lookout, keep an eye out, keep an eye peeled, keep one's eyes peeled, keep an eye on, keep one's eyeballs peeled, look out, keep one's eyes skinned, keep one's guard up, keep one's head on a swivel, more... Opposite: close one's eyes, ignore, overlook, neglect ▸ Words similar to keep an eye open ▸ Usage examples for keep an eye open ▸ Idioms related to keep an eye open ▸ Wikipedia articles (New!) ▸ Words that often appear near keep an eye open ▸ Rhymes of keep an eye open ▸ Invented words related to keep an eye open