Uncontaminated
adj.calm, resilientprofessional
Meaning 1
Free from a substance that would make something harmful or impure.
Reach for it when Confirming the safety or purity of water, food, soil, or a sample.
Tests showed that the spring remained uncontaminated after the fuel spill.
Choose between these
3- everyday
ordinary safety or absence of dirt is enough
not when does not identify freedom from a specific contaminant
- warm
natural or compositional purity matters
not when can overpromise laboratory-grade purity
- professional
sanitary
hygienic conditions are the concern
not when something sanitary may contain harmless additives
Meaning 2
Unaffected by outside material that could distort a result.
Reach for it when Describing evidence, data, or a process protected from unwanted influence.
The sealed control group supplied uncontaminated data for comparison.
Choose between these
3- professional
evidence retains its intended validity
not when does not specify the route of possible distortion
- formal
a source stands apart from the tested influence
not when independence alone does not prevent contamination
- literary
outside influence has not spoiled integrity
not when can carry moral overtones absent from data
Said against
3- contaminated
- polluted
- compromised
It naturally appears in
3- uncontaminated water
The filter reserve guaranteed uncontaminated water for the clinic.
- uncontaminated sample
A technician collected an uncontaminated sample upstream.
- uncontaminated evidence
Independent storage preserved uncontaminated evidence for the appeal.
Where this comes from
- wiktionary, adjective literal: not contaminated opens in a new tab for meaning 1 · retrieved 2026-07-26
- wiktionary, adjective figurative: free from corrupting influence opens in a new tab for meaning 2 · retrieved 2026-07-26
The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.