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“costless”
costless (adjective) (not comparable)
Pertaining to something which requires no payment; complimentary: The tickets to the concert were costless or free!
This entry is located in the following units:
-less
(page 1)
stato-, stat-, sta-, -static, -stasi, staso-, -stasis, -stasia, -stacy, -stitute, -stitution, -sist
(page 5)