Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mordant

1 sense of mordant

Sense 1
mordant -- (a substance used to treat leather or other materials before dyeing; aids in dyeing process)
       => coloring material, colouring material, color, colour -- (any material used for its color; "she used a different color for the trim")

Antonyms of adj mordant

2 senses of mordant

Sense 1
black, grim, mordant -- (harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit")

INDIRECT (VIA sarcastic) -> unsarcastic -- (not sarcastic)

Sense 2
caustic, corrosive, erosive, vitriolic, mordant -- (of a substance, especially a strong acid; capable of destroying or eating away by chemical action)

INDIRECT (VIA destructive) -> constructive -- (constructing or tending to construct or improve or promote development; "constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission")

Similarity of adj mordant

2 senses of mordant

Sense 1
black, grim, mordant -- (harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit")
       => sarcastic (vs. unsarcastic) -- (expressing or expressive of ridicule that wounds)

Sense 2
caustic, corrosive, erosive, vitriolic, mordant -- (of a substance, especially a strong acid; capable of destroying or eating away by chemical action)
       => destructive (vs. constructive) -- (causing destruction or much damage; "a policy that is destructive to the economy"; "destructive criticism")