“〜naku wa nai・naku mo nai”: It's Not That 〜 Isn't So (a hedged affirmation) [JLPT N2]
Content by NTJ Kuma · Nihongo to Japan editorial team · Updated July 27, 2026
“I could go,” “I sort of get it” — a double negative for a limited, hedged affirmation
「行けなくはないけど…」 — the ‘it's not that I can't' that doesn't overcommit
Invited out, you hesitantly say 「うーん、行けなくはないけど…」 (hmm, it's not that I can't go, it's just…) — 「〜なくはない・〜なくもない」 = it's not that ～ isn't (so), it's not that there's no ～, using a double negative to express a limited, reserved affirmation, indirect in tone. It doesn't overcommit, carrying the sense of “(if pressed,) it's not that ～ isn't.” This guide covers this indirect pattern and its relation to 「ないことはない」 (compare 〈ないとは言えない〉).
Core: double negative = a limited, indirect affirmation
「〜なくはない／なくもない」 is a double negative — 「〜ない (not ～)」 ＋ 「はない／もない (isn't)」 = “it's not that ‘not ～',” looping back to indirectly, reservedly admitting “actually there's a bit, it's just about possible ～”:
- 行けなくはない (it's not that I can't go = I can just about go, I actually can).
- 分からなくもない (it's not that I can't understand = I can understand a bit).
- おいしくなくはない (it's not that it isn't tasty = it's passable).
Feel: “it's not that ～ isn't, it's not that there's no ～” — the core is, via a double negative, reservedly, indirectly making a limited affirmation: not a full affirmation (very ～), not a negation (not ～), but “(if pressed,) it's not that ～ isn't (there's that little bit).” It often carries hesitation, reservation, not overcommitting.
Attachment & forms
| Preceding word | Form | Example |
|---|---|---|
| Verb | ない-form → なく ＋ はない/もない | 行かなくはない （it's not that I won't go） |
| Potential form | 〜えない → えなく ＋ はない | 行けなくもない （it's not that I can't go） |
| い-adjective | 〜くない → くなく ＋ はない | 高くなくはない （it's not that it isn't expensive） |
| な-adj・noun | 〜でない → でなく ＋ はない | 好きでなくはない （it's not that I don't like it） |
Examples in context
- 「一人でできる?」「まあ、できなくはないけど、手伝ってほしい」(“Can you do it alone?” “Well, it's not that I can't, but I'd like help.”)
- 彼の気持ちも、分からなくもない。(It's not that I can't understand his feelings.)
- この値段なら、買えなくはない。(At this price, it's not that I can't buy it.)
- 忙しいけど、時間は作れなくもない。(I'm busy, but it's not that I can't make time.)
- 「辛くない?」「辛くなくはないけど、大丈夫」(“Isn't it spicy?” “It's not that it isn't, but I'm fine.”)
⚠️ Where learners slip up
① Double negative → a limited affirmation (= actually a bit, just about possible). This is the easiest to get tangled in. 「〜なくはない」 is a double negative: 「〜ない (not ～)」 ＋ 「はない (isn't)」 = “it's not that ‘not ～',” the two negatives canceling, looping back to indirectly, reservedly affirming “actually there's a bit, it's just about possible ～”: 行けなくはない = “it's not that ‘I can't go'” = “(if pressed) I can go, I actually can” (but with hesitation, reservation). So seeing 「なくはない,」 don't get tangled in the two negatives — its true meaning is “it's not that ～ isn't (there's that bit, it's just about possible).” It corresponds to “it's not that ～ isn't, well, not that I don't ～, there's still a bit.” It's a partial, limited affirmation, not a full “very ～,” nor a negation “not ～.”
② Indirect, reserved in tone, not overcommitting. 「なくはない」's core use is to indirectly, reservedly express a ‘limited affirmation,' with the sense of hesitation, not stating things flatly. It's often used when you don't want to affirm outright, want to leave room: 「行ける?」「行けなくはない（けど…）」 = “(as to whether I can go,) it's not that I can't (it's just I'm not keen/it's a bit of a stretch)” — using a double negative to state “I can go” very reservedly, indirectly, implying “not very keen, with reservations.” So it often carries the unspoken “～ is ～, but…” (frequently followed by 「けど・が」 turning). To indirectly say “it's just about possible, it's not that I can't (but I'm not so willing/certain),” 「なくはない」 is vivid. It's a Japanese knack for leaving room, not overcommitting.
③ 「なくはない」 vs 「ないことはない」: close in meaning, both double-negative indirect affirmations. These two are close, both using a double negative for the indirect, limited affirmation “it's not that ～ isn't,” mostly interchangeable. 「〜なくはない／なくもない」: 行けなくはない (it's not that I can't go). 「〜ないことはない」: 行けないことはない (it's not that I can't go). They mean nearly the same, both “(if pressed) it's not that ～ isn't, I actually can ～ (but with reservation).” Subtle difference: 「ないことはない」 slightly stresses “it's not that it can't be done (I actually can),” 「なくはない」 is softer, a touch more reserved. In practice the two are often interchangeable. There's also 「〜ないでもない (it's not that ～ isn't either),」 a same-kind double-negative indirect expression. This “double negative → indirect affirmation” family can also be compared with 〈ないとは言えない〉 (can't say it's not ～) — all reserved, cautious expressions via double negatives.
🔄 Compare with similar forms: なくはない／ないことはない／ないでもない／ないとは言えない
| Form | Feel | Example |
|---|---|---|
| 〜なくはない／なくもない | it's not that ～ isn't (indirect, limited affirmation) | 行けなくはない （it's not that I can't go） |
| 〜ないことはない | it's not that ～ isn't (≈, slightly stresses ‘can be done') | 行けないことはない （it's not impossible for me to go） |
| 〜ないでもない | it's not that ～ isn't either (a touch literary, same kind) | 分からないでもない （I can sort of understand it） |
| 〜ないとは言えない | can't say it's not ～ (= it might, indirectly admitting a possibility) | 可能性がないとは言えない （you can't say there's no possibility） |
💡 The one thing to remember
「〜なくはない・なくもない」 = it's not that ～ isn't, using a double negative for an indirect, limited affirmation — three points: ① double negative → partial affirmation — “it's not that ‘not ～'” = “(if pressed) it's not that ～ isn't, there's actually a bit” (行けなくはない = it's not that I can't go); don't get tangled in the two negatives; ② indirect, reserved, not overcommitting — often with hesitation, leaving room (frequently followed by 「けど」 turning), implying “～ is ～, but…”; ③ close in meaning to 「ないことはない」 (both double-negative indirect affirmations, interchangeable). This pattern is a Japanese knack for leaving room, not stating things flatly — answering 「行けなくはないけど…」 to 「行ける?」 indirectly expresses “I can just about, but with reservations.” The same-kind double-negative indirection includes 〈ないとは言えない〉 (indirectly admitting a possibility) — understand together this trick of “reserved expression via double negatives.”
❓ Common questions
Q: 「なくはない」 is a double negative — is it affirmative or negative?
It's a double negative → an indirect, limited affirmation, meaning “it's not that ～ isn't = actually a bit, just about possible ～.” Breaking it down: 「〜なく (not ～)」 ＋ 「は (は)」 ＋ 「ない (isn't)」 = “it's not that ‘not ～',” the two negatives (なく ＋ ない) canceling, looping back to an indirect affirmation. But it's not a full, active affirmation (very ～) — it's a reserved, limited affirmation, “(if pressed,) it's ～, there's that little bit”:
- 行けなくはない = “it's not that I can't go” = “(if pressed) I can go, I actually can” (but with hesitation)
- 分からなくもない = “it's not that I can't understand” = “I can understand a bit, it's not that I can't”
- 好きじゃなくはない = “it's not that I don't like it” = “it's not that I don't, I like it a bit”
The key is it uses a double negative to ‘reservedly, indirectly' affirm, with the sense of “not overcommitting.” So its true meaning is “it's not that ～ isn't (just about possible, a bit, but with reservations),” more indirect and room-leaving than a direct 「行ける (I can go).」 It corresponds to “it's not that ～ isn't, well, not that I don't ～, there's still a bit.” Trick: meeting 「なくはない,」 flip the double negative to positive (not that ～ isn't → it is ～), but remember it's a reserved partial affirmation (not very active), often followed by 「けど (but…)」 hinting reservation. (Compare: 〈ないとは言えない〉 is also a double negative, but leans “indirectly admitting a possibility.”)
Q: Are 「なくはない」 and 「ないことはない」 the same? Interchangeable?
Nearly the same, interchangeable in most cases. Both are double negatives, both expressing the indirect, limited affirmation “it's not that ～ isn't”: 行けなくはない = 行けないことはない (both “it's not that I can't go = I can just about go”), 分からなくもない = 分からないことはない (both “it's not that I can't understand”). Their core is “(via a double negative) indirectly, reservedly admitting ‘I actually can／there's a bit.'” Subtle difference: 「ないことはない」 slightly stresses “it's not that it can't be done (I actually can),” tonally like “(as to whether I can,) it's not that I can't ～,” a touch more solid; 「なくはない／なくもない」 is softer, a touch more reserved, with more “hesitation, leaving room” (「なくもない」 softer still than 「なくはない」). But this difference is subtle, and in practice they're mostly interchangeable. E.g. 「手伝えなくはない」 and 「手伝えないことはない」 both mean “it's not that I can't help (I can just about),” same meaning. So the test: to express “it's not that ～ isn't (indirect, limited affirmation),” use 「なくはない／なくもない」 or 「ないことはない」 either way; tonally 「ないことはない」 is a touch more solid, 「なくもない」 a touch softer, but the difference is small. There's also 「〜ないでもない (it's not that ～ isn't either, a touch more literary).」 These are all Japanese ways of “indirect, reserved affirmation via a double negative” — know one and you'll understand the others.
🖊️ Practice Questions (5)
Q1. 「その案に賛成でき___が、リスクも大きい。」（it's not that (I) can't agree）
(A) なくはない (B) かねない (C) に過ぎない (D) どころではない
Q2. 「なくはない」の意味は?
(A) It's not that ... not ~ (a euphemistic, partial affirmation)
(B) Not at all
(C) Definitely so
(D) Must
Q3. 「分からなくもない」の意味は?
(A) It's not that (I) can't understand (a reserved affirmation)
(B) Don't understand at all
(C) Understand completely
(D) Don't want to understand
Q4. 「なくはない」の後によく来るのは?
(A) が／けど (introducing a caveat)
(B) ください
(C) なさい
(D) だろうか
Q5. 接法が正しいのは?
(A) 興味がなくはない。 (B) 興味があくはない。
(C) 興味なくはあるない。 (D) 興味をなくはない。
Answer Explanations
1. (A) なくはない ── It's not that (I) can't agree (reserved).
2. (A) ── It's not that ... not ~ (euphemistic affirmation).
3. (A) ── It's not that (I) can't understand.
4. (A) が／けど ── Often followed by a caveat.
5. (A) ── 「興味がなくはない」 is correct.