1. the process of making judgments or estimates without sufficient information or evidence

Examples

• The detective’s theory was based on guesswork rather than solid evidence.
• Without proper data, the budget projections were mostly guesswork.
• She eliminated the guesswork by carefully measuring each ingredient.
• The diagnosis involved too much guesswork for the doctor’s comfort.
• His investment strategy relied on guesswork instead of market analysis.
• The archaeologists wanted to avoid guesswork in dating the artifacts.