確(たし)かに

たしかに
adverb
certainly, surely
descriptive
See also: 確(たし)か (base form (na-adjective))
1. certainly, surely
Used to affirm something with confidence or to acknowledge a valid point.
確(たし)かにそのとおりだ。
That is certainly true.
確(たし)かに、それは難(むずか)しい問題(もんだい)ですね。
Indeed, that is a difficult problem.
確(たし)かに値段(ねだん)は高(たか)いが、品質(ひんしつ)はとてもいい。
It's certainly expensive, but the quality is very good.
Concessive use: acknowledges a point before contrasting.
2. if I remember correctly
Used when recalling something from memory that one believes to be accurate.
確(たし)か三時(さんじ)からだった。
It was from three o'clock, if I remember correctly.
Without に: 確(たし)か means 'if I remember correctly.'
確(たし)か、彼(かれ)は大阪(おおさか)出身(しゅっしん)だったと思(おも)う。
If I remember correctly, I think he was from Osaka.
あの店(みせ)は確(たし)か駅(えき)の近(ちか)くにあったはずだけど、場所(ばしょ)がよく思(おも)い出(だ)せない。
I'm pretty sure that shop was near the station, but I can't quite remember the exact location.

確(たし)かに is the adverbial form of 確(たし)か (certain). It has two main uses.

USAGE 1 - Affirmation:
When used to affirm something with certainty. Often appears at the beginning of a sentence to acknowledge a valid point.

USAGE 2 - Concession:
Acknowledges a point before introducing a contrasting idea (like "certainly...but...").

Similar words

Related Words

Related: 本当(ほんとう)に (really)
Synonym: もちろん (of course (stronger certainty))
Compare: なるほど (I see)
Compare: 明(あき)らかに (clearly)
Compare: 間違(まちが)いない (certain)
Compare: その通(とお)り (exactly)
Compare: そうですね (that's right)
general
Added 2026.1.16 8:48 · Revised 2026.9.4 21:29
04500/04717_tashikani