adj. 1 not visible to the eye, either characteristically or because hidden. 2 too small to be seen or noticed. 3 artfully concealed (invisible mending). invisible exports (or imports etc.) items, esp. services, involving payment between countries but not constituting tangible commodities. invisibility n. invisibleness n. invisibly adv.
[ ME f. OF invisible or L invisibilis (as IN-(1), VISIBLE) ]