Entry 3 senses · 2 variants Webster, 1913 Invertible · In·vert·i·ble · IPA a. a. 01 a. Capable of being inverted or turned inside out. 1. Capable of being inverted or turned inside out. 2. Capable of being changed or converted; as, invertible sugar.(Chem.) 02 a. Incapable of being turned or changed. 1. Incapable of being turned or changed. “An indurate and invertible conscience.” — Cranmer.