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Definition of costless
costless
/ˈkɔːst.ləs/
cost · less
Adverb:costlessly
costless Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
2
costless Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Involving no monetary expense, payment, or sacrifice of resources; free of charge.
Example
"While the software upgrade was financially costless for existing users, it still required several hours to install."
Synonyms
View all synonyms for costless Antonyms
View all antonyms for costless• Rhymes for costless
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Costless. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/costless