insoluble
6 synonyms and 1 antonym for insoluble, grouped by meaning and by how common each one is.
Adj — Not able to dissolve in a liquid.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. adj
Not able to dissolve in a liquid.
“Petroleum is largely insoluble in water.”
indissoluble
Opposites
soluble
Etymology
From Middle English insolible, from Middle French insoluble, from Latin insolūbilis, from in- + solūbilis. Piecewise doublet of insolvable and unsolvable. By surface analysis, in- + soluble.
Full origin of insoluble →