Hard
Hard adjective - Given to exacting standards of discipline and self-restraint.
Usage example: a hard disciplinarian who is quick to punish the tiniest violation of the rules
Relentless is a synonym for hard in severe topic. In some cases you can use "Relentless" instead an adjective "Hard".
Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Usage example: the team's offense was relentless in trying to score a touchdown
Hard is a synonym for relentless in behaviour topic. You can use "Hard" instead an adjective "Relentless", if it concerns topics such as harsh, severe, merciless, cruel.
Nearby Word: relentlessly
Mutual synonyms
Both words in one sentence
- Newcomer Crimson Viper has her entire gameplay revolve around relentless offense consisting of feints to keep the opponent on their toes and hard-hitting combos.
Source: Difficult but Awesome -
They are very accurate, relentless, and hit very hard if you can't cardbreak them in time, and they come in groups.
Source: Elite Mooks - Nintendo Hard: The mod's merciless, relentless and oppressive atmosphere extends to the gameplay.
Source: Video Game / Fallout Dust
Cite this Source
Relentless and Hard. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/hard/relentless
Hard & Relentless. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/hard/relentless>.
Relentless or Hard. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/hard/relentless.
Google Ngram Viewer shows how "hard" and "relentless" have occurred on timeline