“〜tsutsu・tsutsu mo”: While 〜 / Even Though 〜 (written) [JLPT N3]

Content by NTJ Kuma · Nihongo to Japan editorial team · Updated July 27, 2026

“study while listening to music,” “can't stop even though I know it's bad” — simultaneous action or contrast

「体に悪いと知りつつ、やめられない」 — knowing full well, yet still …

「体に悪いと知りつつ、タバコがやめられない」 (knowing it's bad for my health, yet I can't quit smoking) — 「〜つつ（も）」 has two faces: one “while … (at the same time) …” (simultaneous), the other “although … yet …” (reversal, knowing yet). This guide covers 「つつ」's two uses, the ongoing 「つつある」, and separates it from the colloquial 「ながら」. It's a more written expression.

Core: つつ's two uses (simultaneous／reversal)

「verb masu-stem ＋ つつ」 has two uses:

• ① while … (two actions at the same time, ＝ ながら, written): 景色を眺めつつ、コーヒーを飲む (drinking coffee while gazing at the scenery).
• ② although … yet … (reversal, knowing/despite that yet …, often 「つつも」): 悪いと思いつつ（も）、嘘をついた (though I felt it was wrong, I lied).

Feel: “while …／although … yet …” — ① marks simultaneity (doing B while doing A); ② marks reversal (though A, did the opposite B); adding 「も」 → 「つつも」 strengthens the reversal. It's a written, formal expression.

Attachment & 「つつある」

Examples in context

• 音楽を聴きつつ、宿題をする。(I do homework while listening to music.) — ① simultaneous
• ダイエット中だと言いつつ、ケーキを食べている。(She says she's dieting, yet she's eating cake.) — ② reversal
• 危険だと知りつつも、彼は挑戦した。(Though he knew it was dangerous, he took the challenge.) — ② reversal
• 世界の人口は増えつつある。(The world's population is steadily increasing.) — つつある
• 反省しつつ、同じ失敗を繰り返す。(Even while reflecting, I repeat the same mistake.) — ② reversal

⚠️ Where learners slip up

① 「つつ」 has two meanings, sorted by context (simultaneous／reversal). The same 「つつ」 may be “while … …” or “although … yet ….” If the two actions can ‘run in parallel' without contradiction → simultaneous (歩きつつ考える = think while walking); if the two are ‘contradictory in meaning' → reversal (悪いと知りつつやる = do it knowing it's wrong). Judge by whether the two are “parallel” or “contradictory.” For reversal, 「も」 is often added (つつも) to aid recognition.

② 「つつ」 is more written; colloquial uses 「ながら」. Both 「つつ」 and 「ながら」 can mean “while …” and “although … yet …,” but 「つつ」 leans written, formal, stiff (writing, speeches); 「ながら」 is more colloquial, everyday. In daily talk, “eat while walking” is 歩きながら食べる (rarely 歩きつつ食べる); use つつ only in writing or formal settings. For natural speech use ながら, for written dignity use つつ.

③ Attaches to the ‘verb masu-stem' — don't attach it wrong. 「つつ」 always attaches to the verb masu-stem (continuative) — 飲む→飲みつつ, 見る→見つつ, する→しつつ. Not to a noun or the te-form. Also, 「つつ」's two clauses must share the same subject (one person doing two things at once, or one person “knowing yet …”), same as 「ながら」's simultaneous use ①.

🔄 Compare: つつ／つつも／ながら／つつある

💡 The one thing to remember

「〜つつ（も）」 is a more written expression with two faces: ① while … (simultaneous, ＝ ながら) (眺めつつ飲む); ② although … yet … (reversal, knowing yet, often つつも) (悪いと知りつつもやる). Judge by context: two clauses parallel, non-contradictory → simultaneous; two clauses contradictory → reversal (reversal often adds 「も」). Three points: ① attaches to the verb masu-stem (飲みつつ, 知りつつ); ② more written and formal than 「ながら」 — daily speech uses ながら, writing and speeches use つつ; ③ also 「つつある」 = be gradually …-ing (回復しつつある, an ongoing change — don't confuse it with the “while/although” つつ). To express “while …” or “knowing yet …” in formal writing, つつ is the most fitting.

❓ Questions you might have

Q: 「つつ」's two meanings — ‘while …' and ‘although … yet …' — how do I tell which it is?

By whether the two things are ‘parallel and non-conflicting' or ‘contradictory in meaning.' ① If the two actions can ‘run at the same time' without contradiction → ‘while … …' (simultaneous): 音楽を聴きつつ、料理をする (cook while listening to music — listening and cooking coexist, no contradiction); 資料を見つつ、説明する (explain while looking at the materials). ② If the two are ‘contradictory in meaning' → ‘although … yet …' (reversal): ダメだと知りつつ、やってしまった (I did it though I knew I shouldn't — “knew I shouldn't” and “did it” contradict); 痩せたいと思いつつ、間食をやめられない (though I want to lose weight, I can't quit snacking — wanting to lose weight and snacking contradict). Trick: see whether the second clause ‘goes against the first's expectation' — if it follows the first (parallel) = simultaneous; if it goes against (contradicts) = reversal. Also, reversal often adds 「も」 → 「つつも」 (知りつつも = though knowing, yet); seeing 「つつも」 basically signals reversal, a good clue. So: can run in parallel = while …; contradictory (especially with 「も」) = although … yet ….

Q: 「つつ」 and 「ながら」 mean the same — can I swap them freely?

Their two meanings (simultaneous, reversal) almost fully overlap, but they differ in register (written vs colloquial), so you can't swap by setting. 「ながら」 = colloquial, everyday: daily speech uses ながら for both “while …” and “although … yet …” — テレビを見ながらご飯を食べる (eat while watching TV, simultaneous); 狭いながらも、いい部屋だ (small though it is, it's a good room, reversal). Natural and common, fit for speech and general writing. 「つつ」 = written, formal, stiff: mostly for writing, exposition, speeches, formal settings — 伝統を守りつつ、革新を進める (advancing innovation while preserving tradition, simultaneous, written and dignified); 問題を認識しつつも、対策が遅れた (though aware of the problem, countermeasures lagged, reversal, written). So: daily conversation, casual settings → 「ながら」; formal writing, speeches, dignified tone → 「つつ」. Using つつ for everyday trifles (テレビを見つつご飯を食べる) sounds stiff and affected; normally ながら; conversely, formal exposition with つつ reads polished and literary. Also note that 「ながら」 has uses like noun ＋ ながら (涙ながらに = tearfully), while 「つつ」 attaches only to the verb masu-stem, a slightly narrower range. Judge: colloquial ながら, written つつ.

🖊️ Practice Questions (5)

Q1. 「悪いと思い___、やめられない。」(though I feel it's bad, I can't quit)

(A) つつも　(B) ながらに　(C) どころか　(D) ばかりに

Q2. 「つつ」の前に来る動詞の形は?

(A) ます形語幹　(B) dictionary form　(C) た形　(D) て形

Q3. 「世界は変わりつつある」の意味は?

(A) The world is gradually changing

(B) The world has finished changing

(C) The world won't change

(D) The world once changed

Q4. 「つつ」と「ながら」の違いとして正しいのは?

(A) Close in meaning (while ~), but 「つつ」 is more written/formal

(B) Completely opposite meanings

(C) つつ is colloquial

(D) ながら is used only in writing

Q5. 接法が正しいのは?

(A) 迷いつつも決めた。　(B) 迷うつつも決めた。

(C) 迷ってつつ決めた。　(D) 迷ったつつ決めた。

Answer Explanations

1. (A) つつも ── Although ~, yet (contrast/concession).

2. (A) ます形語幹 ── verb ます-stem ＋ つつ.

3. (A) ── Gradually changing (つつある).

4. (A) ── つつ is close to ながら but more written/formal.

5. (A) ── 迷い (ます-stem) ＋ つつも.