costless

C2+ Topic:People & Society

US /ˈkɔstləs/ UK /ˈkɒstləs/ See IPA manual

adj

Meanings

1

adj
costing nothing; free of charge or expense

A kind word is a costless gift that pays dividends for years.

Thesaurus

Synonyms

1 adj · costing nothing; free of... free gratis complimentary gratuitous

Opposites

costly expensive dearpricey

Word family

Derived forms costlesslycostlessness

Related forms cost costly

Etymology

From 'cost' plus the privative suffix '-less'. 'Cost' is from Old French 'coster', from Latin 'constare' ('to stand firm, cost').

constare Latin

View etymology graph ->

Topics

People & Society Word Formation & Derivatives

# costless

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ˈkɔstləs
**IPA (UK):** ˈkɒstləs

## Meanings
1. costing nothing; free of charge or expense

## Examples
- A kind word is a costless gift that pays dividends for years.

## Synonyms
- free
- gratis
- complimentary
- gratuitous

## Antonyms
- costly
- expensive
- dear
- pricey

## Derived Forms
- costlessly
- costlessness

## Related Forms
- cost
- costly

## Roots and Affixes
- Root: constare

## Etymology
From 'cost' plus the privative suffix '-less'. 'Cost' is from Old French 'coster', from Latin 'constare' ('to stand firm, cost').

## AI Etymology
Costless is from 'cost' plus the privative suffix '-less'. 'Cost' is from Old French 'coster', from Latin 'constare' ('to stand firm, cost'). The immediate etymological form is Latin constare. In present use as an adjective, it means "costing nothing; free of charge or expense", keeping the historical formation close to the word's ordinary semantic work. Related words include cost and costly; derived forms include costlessly and costlessness. Its contrast set includes costly, expensive, dear, and pricey, which clarifies the semantic boundary of the modern word.

## Topics
- People & Society
- Word Formation & Derivatives

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costless

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