N3 — outside your level filter
Modifies the end of the sentence directly and takes no だ／です, so there are no forms to conjugate.
うっかり
ukkaricarelessly; absent-mindedlyN3adverb
Example sentences2
うっかり宿題忘れちゃった。
ukkari shukudai wasurechatta.
I carelessly forgot my homework. casual
うっかり鍵を家に忘れました。
ukkari kagi o ie ni wasuremashita.
I carelessly left my keys at home. neutral