N2 — outside your level filter
Modifies the end of the sentence directly and takes no だ/です, so there are no forms to conjugate.
間違いなく
machigainakuwithout a doubt, undoubtedlyN2adverb
Example sentences2
これは間違いなく今年一番の映画だ。
kore wa machigainaku kotoshi ichiban no eiga da.
This is without a doubt the best film of the year. neutral
間違いなく、あいつが忘れたんだ。
machigainaku, aitsu ga wasureta n da.
Without a doubt, it was him who forgot. casual