INVISIBLE /??'v?z?b?l/ Pronunciation Key - Show Spelled Pronunciation[in-viz-uh-b­uhl] Pronunciation Key - Show IPA Pronunciation –adjective <break> 1. not visible; not perceptible by the eye: INVISIBLE fluid. 2. withdrawn from or out of sight; hidden: an INVISIBLE seam. 3. not perceptible or discernible by the mind: INVISIBLE differences. 4. not ordinarily found in financial statements or reflected in statistics or a listing: Goodwill is an INVISIBLE asset to a business. 5. concealed from public knowledge. –noun 6. an INVISIBLE thing or being. 7. the INVISIBLE, the unseen or spiritual world.