Definition of unsee
1 : to fail to see (something) : to avoid seeing (something) Countless people have studied the painting and never seen the hidden likeness in it. Yet, once it comes to your attention, you can't unsee it again. — Kenneth Baker
2 : to forget having seen (something) : to erase the image of (something) from one's memory Like at the porn expo, you see things at the poker expo you can never unsee. — Bill Simmons
First Known Use of unsee
Seen and Heard
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