noun
guesswork
noun
1
A conclusion or estimate reached by guessing rather than by solid evidence.
"Without proper data, the forecast was mostly guesswork."
How to Use Guesswork
Learner’s notesIn plain EnglishReasoning based on guessing instead of facts.
Common pairings
pure guesswork
eliminate the guesswork
Word Forms
guessworks plural
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Without proper data, the forecast was mostly _____.
Etymology
From guess + work.