Past tense of cosign
regular verb
The past tense of cosign is cosigned. The past participle is also cosigned.
Forms of cosign
| Base form (V1) | cosign /ˈkəʊ.saɪn/ |
|---|---|
| Past tense (V2) | cosigned |
| Past participle (V3) | cosigned |
| Present participle | cosigning |
| Third person singular | cosigns |
Meaning of cosign
- verb To sign a document jointly with another person, sometimes as an endorsement.
- verb To agree with or endorse.
- noun The promotion of one musical artist (usually less successful) by another.
Questions about the past tense of cosign
- What is the past tense of cosign?
- The past tense of cosign is cosigned.
- What is the past participle of cosign?
- The past participle of cosign is cosigned.
- Is cosign a regular or irregular verb?
- Cosign is a regular verb: its past tense adds -ed.
Source and license
Adapted from Wiktionary: cosign (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.
Last updated:
Cite this page: “Past tense of cosign.” Word.ws, https://word.ws/past-tense/cosign. Based on Wiktionary, CC BY-SA 4.0.