Puzzle With No Solution Just Won't Dissolve?

This page is the CodyCross answer for the clue below from Forms of Communication, Group 2240, Puzzle 1 (Virtual Reality).

Question

Puzzle With No Solution Just Won't Dissolve?

Answer

INSOLUBLE

Word Meaning:

INSOLUBLE — (physical chemistry) That cannot be dissolved.

Definitions from Wiktionary.

Puzzle with no solution just won't dissolve? Forms of Communication Answers