Should I Use Insofar?

Use insofar to mean "as much" or "to the extent." You might, for example, say, "I will get my math homework done insofar as I can. The adverb insofar is somewhat old fashioned and uncommon these days, but it's a good way to talk about doing something to a certain degree or extent.

What does insofar mean?

: to such extent or degree.

Is it in so far or insofar?

The form insofar is American English; the standard form in British and other English is 'in so far'.