Archaic in truth; no doubt; indeed: in later use, mainly ironic
Origin of forsoothMiddle English forsoth ; from Old English preposition for + soth, truth: see sooth
In truth; indeed.
Origin of forsoothMiddle English forsoth, from Old English fors&omacron;th : for, for; see for + s&omacron;th, truth; see sooth.
(comparative more forsooth, superlative most forsooth)