Costless

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having no cost, or at least no cost paid for at the point of sale. not-comparable
Adjective
  1. 1
    costing nothing wordnet

Synonyms

All synonyms
charitablecomplimentaryeleemosynaryfeelessfor lovefor nothing

Etymology

From cost + -less. Compare Dutch kosteloos (“costless, free”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.