Adverb
Usually written in kana
1. exactly; just; precisely; really; truly; surely; certainly; without doubt
今、君が気にしているのはまさにそれだ。What you are worried about right now is precisely that.
2. right (when); just (as)
家を出ようとしたまさにその時、電話が鳴った。Just as I was about to leave the house, the phone rang.
3. just (about to); on the point of; on the verge of; on the brink of
also written as 将に
電車が今まさに出発しようとしている。The train is just about to leave.
4. really (ought to); certainly (should); naturally
as まさに...べき; also written as 当に