accidentally

Meanings

1. 1
   adv

   without advance planning

   they met accidentally

2. 2
   adv

   In an accidental manner; by chance, unexpectedly.

   He discovered penicillin largely accidentally.

3. 3
   adv

   Unintentionally.

   He accidentally exposed the bacteria to mold spores.

4. 4
   adv

   without intention

5. 5
   adv

   of a minor or subordinate nature

Etymology

From accidental + -ly.