unfounded conclusion
Groundless logical leap
An unfounded conclusion is a judgment or inference reached without adequate supporting evidence.
The phrase emphasizes that the reasoning lacks a proper foundation—the conclusion may or may not be correct, but it wasn't arrived at through sound logic or sufficient facts: The report dismissed his theory as an unfounded conclusion based on speculation rather than data.
- baselessLacking factual support
- assumptionUnverified belief accepted as true
- speculationUnproven theorizing or risky investment
- conjectureGuess from limited facts
- leapSudden springing movement
leap of faith · guess · wild guess · hunch · gut feeling · presumption · snap judgment · fallacy · straw man · hasty · hasty generalization · jumping · flimsy · groundless · unproven · assertion · claim · suspicion
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