adv · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:K AE1 L AH0 S L IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adv
Meaning 1
In a callous manner; done without regard to others' sensitivities.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adverb
Meaning 2
in a callous way
Definition source: Princeton WordNet 3.0
Examples
he callously exploited their feelings
Meaning relationships
Synonyms: unfeelingly
Antonyms: none provided
History
Etymology
Etymology tree English callous Middle English -ly English -ly English callously From callous + -ly.
Across languages
Translations
2 source translations are retained for this English entry.