v.tr. (-ies, -ied) 1 fraudulently alter or make false (a document, evidence, etc.). 2 misrepresent. 3 make wrong; pervert. 4 show to be false. 5 disappoint (a hope, fear, etc.). falsifiable adj. falsifiability n. falsification n.
[ ME f. F falsifier or med.L falsificare f. L falsificus making false f. falsus false ]