callously
Word family
- callousadjectiveB2
- callousnessnounC1
Synonym discussion
Sense: adverb/1
All four words describe a lack of care toward others, but they differ in intensity and focus. 'Ruthlessly' is the strongest — it suggests an active, almost aggressive pursuit of a goal with no concern for who gets hurt (e.g., 'The company ruthlessly cut jobs to boost profits'). 'Heartlessly' is the most emotional; it focuses on the absence of normal human compassion and often appears in personal contexts ('She heartlessly broke off all contact with her aging parents'). 'Callously' sits between these two — it is about cold indifference rather than active cruelty, and it commonly describes ignoring or dismissing someone's suffering ('He callously walked past the homeless man'). 'Coldly' is the mildest; it suggests emotional distance or unfriendliness rather than outright cruelty ('She coldly replied that it was not her problem'). 'Brutally' overlaps with 'ruthlessly' but emphasises physical or verbal harshness ('The critic brutally tore apart the young artist's work'). Choose 'callously' when the key idea is chilling indifference rather than aggressive harm.
Common collocations
Phrases
- treat someone callously
- speak callously about someone
- act callously toward someone
Etymology
Formed from the adjective 'callous', which entered English in the 15th century from Latin 'callosus' (meaning 'hard-skinned' or 'thick-skinned'), derived from 'callus' (hardened skin). The figurative meaning — emotionally hardened or insensitive to others' feelings — developed in English by the 17th century. The adverb 'callously' appeared soon after, describing actions done in that emotionally hardened manner.