insomuch /ɪnsəʊˈmʌt͡ʃ/ adverb2 •To the extent that.In so moche that if any verbe be of the thyꝛde coniugation / I set out all his rotes and tenses[…] — 1530 •Because of; since; as a result of.Insomuch as you have consistently paid the bill on time before, we'll excuse one late payment.