unknowingly Synonyms

unwittingly inadvertently without understanding obliviously unconsciously coincidentally by accident by mistake mindlessly heedlessly fortuitously reflexively thoughtlessly without noticing without knowing without being aware without thinking not understanding not noticing by coincidence unthinkingly unsuspectingly unintentionally unexpectedly by chance greenly disregardfully casually carelessly blindly automatically accidentally abstractedly abruptly ignorantly involuntarily mistakenly inattentively unthinking unready unbeknown unawares unaware sudden short naively aback