undesignedly
Not on purpose
Undesignedly means without intention or by accident—the opposite of deliberately.
The word is rare and old-fashioned: He undesignedly revealed the secret.
Most speakers would choose unintentionally or accidentally instead.
Done without intention
- unplannedNot arranged beforehand
- chanceLikelihood of occurrence
- coincidentalOccurring together by luck
- fortuitousHappening by lucky chance
unexpected · unforeseen · incidental · random · haphazard · serendipitous · fluky · unlooked-for
Without advance preparation
- impulsiveActing without deliberation
- instinctiveArising without conscious thought
- unrehearsedNot practiced beforehand
- unpremeditatedWithout advance planning
extemporaneous · offhand · natural · uncontrived · unforced · unstudied · artless · guileless
inadvertent
Done without intention
- unplannedNot arranged beforehand
- chanceLikelihood of occurrence
- coincidentalOccurring together by luck
fortuitous · unexpected · unforeseen · incidental · random · haphazard · serendipitous · fluky · unlooked-for · unpurposed
impromptu
Without advance preparation
- impulsiveActing without deliberation
- instinctiveArising without conscious thought
- unrehearsedNot practiced beforehand
unpremeditated · extemporaneous · offhand · natural · uncontrived · unforced · unstudied · artless · guileless · ingenuous
undesignedlyintentionally
By conscious choice
deliberately · purposely · by design · designedly · on purpose