Adjective unstained has 4 senses
- unstained - not stained; "An apron keeps his clothing unstained"
Antonyms: stained, discolored, discoloured, treated
- unstained, unvarnished - not having a coating of stain or varnish
Antonym: painted (indirect, via unpainted)
- unsoiled, unspotted, unstained - without soil or spot or stain
Antonyms: dirty, soiled, unclean (indirect, via clean)
- stainless, unstained, unsullied, untainted, untarnished - of reputation; "his unsullied name"; "an untarnished reputation"
Antonym: blemished (indirect, via unblemished)
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