Past tense of cost
irregular verb
The past tense of cost is cost or costed. The past participle is also cost or costed.
Forms of cost
| Base form (V1) | cost /kɒst/ |
|---|---|
| Past tense (V2) | cost /kɒst/ costed |
| Past participle (V3) | cost /kɒst/ costed |
| Present participle | costing |
| Third person singular | costs /ˈkɔsts/ |
Costed in a sentence
- This was a badly costed project.From the entry costed
- Under this philosophy, the extra daily shortwall production of 55 tons of clean coal would be costed at $8.39 per ton.1977, Larry E. Green, Eugene Robert Palowitch, Comparative shortwall and room-and-pillar mining costs, page 16. From the entry shortwall
- All of the years that they went to school they costed a lot of money, whereas the chance that they ever will contribute to the gainside is very low.1987, Paul Vedder, Learning in a second language: a study in Curacaon primary schools. From the entry gainside
Meaning of cost
- verb To incur a charge of; to require payment of a (specified) price.
- verb To cause something to be lost; to cause the expenditure or relinquishment of.
- verb To require to be borne or suffered; to cause.
Verbs like cost
Questions about the past tense of cost
- What is the past tense of cost?
- The past tense of cost is cost or costed.
- What is the past participle of cost?
- The past participle of cost is cost or costed.
- Is cost a regular or irregular verb?
- Cost is an irregular verb: its past tense keeps the same form as the base form.
Source and license
Adapted from Wiktionary: cost (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Past tense of cost.” Word.ws, https://word.ws/past-tense/cost. Based on Wiktionary, CC BY-SA 4.0.