Hard core and Relentless

Hard core noun - The most dedicated and intensely loyal nucleus of a group or movement.

Relentless and hard core are semantically related. in steadfast topic. In some cases you can use "Relentless" instead an adjective phrase "Hard core", when it comes to topics like stubborn, serious.

Relentless adjective - Showing no signs of slackening or yielding in one's purpose.

Hard core and relentless are semantically related. Sometimes you can use "Hard core" instead an adjective "Relentless".

Nearby Word: relentlessly