Unstandable Share definition Flag A mix of 'unbearable' and 'can't stand it'. Generally said by accident when your mind is caught between the two phrases. You're unstandable!That person is so annoying - I find them unstandable. Unstandable by CompNeuro March 18, 2021 0 0 Get merch Get the Unstandable mug. Buy Now — $32.95 See more merch