See two images of one object, either as an illusion or owing to some visual aberration, especially one caused by intoxication. For example, Those twins look so much alike they make me think I'm seeing double, or One more drink and I'll be seeing double. This idiom was first recorded in 1628.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use see double in a sentence
It's a problem for people who see double digit increases and think they'll come for perpetuity.
I never could quite figure it out, but there seems to be something about a fish that makes even a cold-water deacon see double.Letters from a Self-Made Merchant to His Son | George Horace Lorimer
He had a good heart; but fear of the English dazzled him, and where they were concerned caused him to see double.The Life of Joan of Arc, Vol. 1 and 2 (of 2) | Anatole France
You cannot, if you would, be blind to the signs of the times, when such opportunity is offered to see double.The Orpheus C. Kerr Papers. Series 1 | Robert H. Newell
It is common also on old plants in poor soils to see double and single flowers from the same root.
Such a knowledge could only bewilder you as to the right way to take—would make you see double instead of single.Thomas Wingfold, Curate | George MacDonald