付つき合あえない vs. 付つき合あいきれない: Which is Stronger Meaning?

Yuka

付き合えない and 付き合いきれない — both involve 付き合う but they carry very different feelings. One is a gentle refusal, the other is exhausted frustration!

Rei

Exactly! 付き合えない means “I can’t go along with that” (inability or refusal), while 付き合いきれない means “I just can’t keep up with you anymore” — it’s much stronger.

付き合えない — Can’t or Won’t

付き合えない is the negative potential form of 付き合う. It simply means “I can’t accompany you” or “I can’t go along with that.” The tone is fairly neutral — it states inability or refusal without strong emotion.

• そんなわがままには付き合えない。— I can’t indulge that kind of selfishness.
• 今日は付き合えないけど、また今度ね。— I can’t join you today, but let’s do it another time.
• ごめん、付き合えない。— Sorry, I can’t go out with you.

付き合いきれない — At Your Limit

付き合いきれない combines 付き合い (the noun form) with きれない (can’t finish / can’t fully do). It expresses that you have reached your limit — you are exhausted, frustrated, or done with someone’s behavior.

• あの人のわがまま、もう付き合いきれない！— I can’t deal with that person’s selfishness anymore!
• こんな無理難題、付き合いきれないよ。— I just can’t keep up with these unreasonable demands.

The “きれない” Pattern

The grammar pattern Verb-stem + きれない means “can’t fully do X” or “can’t finish doing X.” It often implies being overwhelmed.

• 食べきれない。— I can’t eat all of this.
• 言い切れない。— I can’t say it with certainty.
• 付き合いきれない。— I can’t keep up with this anymore.

Common Mistakes for English Speakers

English speakers may use 付き合えない when they mean to express exasperation — but that emotion requires 付き合いきれない. If you just want to decline politely, 付き合えない is correct. If you’re expressing “I’m done with this person / at my wit’s end,” use 付き合いきれない.

Quick Quiz

Which phrase expresses stronger frustration: 付き合えない or 付き合いきれない?

Answer: 付き合いきれない — it means you are at your limit and can’t continue.

Practice with a Tutor

Nuance like this is hard to pick up from textbooks. A native tutor can help you hear the difference in real conversation.

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