Examples from the Web for guesswork
It's also almost 100% guesswork, at least for the period before 1976, and certainly for the period before 1925.
Based on my experience with my own sources, guesswork about who is behind a story is often wrong.
It's always going to be very much a matter of insight, judgment, guesswork, and so forth.
They are far too many; for the chance against eight events being put down in their correct order by guesswork is 40,319 to 1.The Truth of Christianity|William Harry Turton
What Snap might have done if you had married him is guesswork.The Heritage of the Desert|Zane Grey
I may be right or wrong, that's guesswork at the best, and let me get to my facts again.David Balfour, Second Part|Robert Louis Stevenson
It must be kept in mind that these reviews are not haphazard, nor are they a matter of guesswork.Lippincott's Horn-Ashbaugh Speller|Ernest Horn
"You know it is guesswork; no one can more than approximate the result of sales," answered Mr. Hurd.The Wyndam Girls|Marion Ames Taggart