There are two meaning for insoluble; something that can't be dissolved and a mystery or a puzzle that can't be solved:
Sand is insoluble in water and builds up on the edge of the ocean as a beach.
The disappearance of the woman was insoluble for twenty two years, when her remains were found in the desert.
Insoluble, I think is the word.
Define the word answer?
Define the word geography
The word you are looking for is "insoluble." This term is used to describe substances that do not dissolve in a particular solvent, such as water.
insoluble
define the word attraction?
Insoluble (the property of insolubility).
the meaning of a word
I will define this word so that you will know what the word means.
The problem isn't insoluble; I'm sure we can find a solution eventually. These markers are insoluble; be careful not to get them on your clothes.
It explains the meaning of something. To define: To describe or outline the functional characteristics of a word or object.
insoluble