inadvertent
Inadvertent (adjective) means not intended, and resulting from a failure to notice or pay attention. Example: “An inadvertent click sent the draft to the whole company.”
How to use inadvertent
Learner’s notesIn plain EnglishDone by accident, because you were not paying attention.
Formal; common in legal, corporate and apologetic writing.
The adverb inadvertently is far more common than the adjective: he inadvertently deleted the file.
Trace the full origin ↓Fill the gap
Can you complete this real example?
An _____ click sent the draft to the whole company.
Etymology
From Latin in-, 'not', and advertere, 'to turn the mind to'.