Definition from Wiktionary, the free dictionary
semiaccidentally (not comparable)
- In a manner that is partly accidental.
2008 January 22, Charles Isherwood, “The Body of Her Work: Hearing Questions of Life and Death”, in New York Times:
- As ominous thwacking sounds are heard — she asks some dancers to demonstrate a few moves — Ms. Streb tells of the time she set herself on fire, semiaccidentally.