Thesaurus
Synonyms & Antonyms of heartless
- a heartless boss who would fire people for missing work, even if they were sick as a dog
Synonyms for heartless
- affectless,
- callous,
- case-hardened,
- cold-blooded,
- compassionless,
- desensitized,
- hard,
- hard-boiled,
- hard-hearted,
- indurate,
- inhuman,
- inhumane,
- insensate,
- insensitive,
- ironhearted,
- merciless,
- obdurate,
- pachydermatous,
- pitiless,
- remorseless,
- ruthless,
- slash-and-burn,
- soulless,
- stony
- (also stoney),
- stonyhearted,
- take-no-prisoners,
- thick-skinned,
- uncharitable,
- unfeeling,
- unmerciful,
- unsparing,
- unsympathetic
Words Related to heartless
- grim,
- hard-bitten,
- harsh,
- heavy-handed,
- ironfisted,
- ironhanded,
- jackbooted,
- knock-down, drag-out
- (or knock-down-and-drag-out),
- oppressive,
- rough,
- rough-and-tumble,
- severe,
- sledgehammer,
- stern,
- tough,
- ungentle
Near Antonyms for heartless
Antonyms for heartless
- his heartless whipping of runaway slaves virtually to the point of death shocked even other slave owners
Synonyms for heartless
Words Related to heartless
Phrases Synonymous with heartless
Near Antonyms for heartless
Antonyms for heartless
Learn More About heartless
From the Editors at Merriam-Webster
Sometimes '-less' Is More
Sometimes '-less' Is More
'Ruthless,' 'feckless,' and more words ending in '-less'
Cite this Entry
“Heartless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heartless. Accessed 18 Aug. 2022.
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Time Traveler for heartless
The first known use of heartless was in the 14th century
See more words from the same century