Unyielding nucleus of a group

HARDCORE (8 letters) is the answer to the crossword clue "Unyielding nucleus of a group" This type of clue works by describing a property or typical context of the answer word. When you know what fits the description and matches the available letter count, the answer becomes clear. Solvers who expand their vocabulary steadily find clues like this easier to crack over time.

See all clues for the answer HARDCORE.