かしらka shira“I wonder”

かしら (ka shira) means “I wonder.” It is a JLPT N4 sentence-ending expression that turns a statement into a soft, half-spoken question to yourself: 明日は雨かしら — “I wonder if it’ll rain tomorrow.”

かしら does almost the same job as かな, but it has a clear social flavour. It is traditionally associated with women’s speech, and today you hear it mostly from older women, in novels, in anime, and in dubbed films. You need to recognise it at N4 even if you rarely say it yourself.

かしら is かな with a gentler, more traditionally feminine voice — the same wondering, a different speaker.

What does かしら mean?

かしら comes from か (the question particle) plus 知らん, an old form of “I don’t know.” So 来るかしら was originally “Will they come? I don’t know.” That origin explains the meaning: you raise a question and admit you don’t know the answer.

• 田中さんは来るかしら。 — I wonder if Tanaka will come.
• これで大丈夫かしら。 — I wonder if this is all right.

The question is aimed mostly at yourself. The speaker isn’t demanding an answer, although the listener may reply if they know. That makes かしら softer than a direct question like 来ますか.

How to form かしら

かしら attaches to the plain form of the sentence. Nouns and な-adjectives drop だ and attach directly, just as they do before the question particle か.

Question words work too: 誰かしら (I wonder who), どこかしら (I wonder where), いつかしら (I wonder when). Adding の before かしら — 何をしているのかしら — asks for an explanation, just like 〜のですか does in a normal question.

When is かしら used?

• Thinking aloud: 鍵、どこに置いたのかしら — “Where did I put my keys?”
• Soft questions to the listener: 今、何時かしら — the speaker is really asking, but indirectly.
• Gentle requests with 〜ないかしら / 〜てくれないかしら: ちょっと手伝ってくれないかしら — “Could you give me a hand, I wonder?”
• Fiction and media: a common marker for mothers, grandmothers, elegant or upper-class female characters.

In modern everyday speech, many younger women use かな instead, and men almost always use かな. A man saying かしら in ordinary conversation sounds either old-fashioned, theatrical, or deliberately camp. That is not a grammar error, but it is a strong character signal.

かしら example sentences

The last example is worth memorising as a set: 〜てくれないかしら is how a polite, older speaker makes a request without making it sound like an order.

Nuance of かしら

かしら is softer and more reflective than a question with か. Compare 田中さんは来ますか (a real question, expecting an answer) with 田中さんは来るかしら (musing, the listener may or may not answer). Because it doesn’t press the listener, かしら is useful for asking things that might be slightly awkward: この値段、高いかしら — “Is this price a bit much, I wonder?”

With a negative, かしら often turns into a wish. 早く春が来ないかしら is not “I wonder if spring won’t come” but “I wish spring would hurry up.” The same thing happens with かな: 早く来ないかな.

💡 何かしら is different: in 何かしら理由がある (“there must be some reason or other”), 何かしら means “something or other” and is used by everyone, in speech and writing. It has no feminine flavour. Tell the two apart by position: sentence-final かしら wonders, 何かしら in mid-sentence means “some.”

You can also meet polite かしら in older or very refined speech: よろしいかしら, 〜ますかしら. At N4 you only need to recognise these; don’t aim to produce them.

かしら vs かな

Both mean “I wonder,” both attach to the plain form without だ, and both turn negatives into wishes. The difference is who says them.

If you are learning to speak, use かな — it is safe for anyone. Learn かしら so you understand who is speaking when you meet it in a drama, a manga, or a JLPT listening dialogue.

Common mistakes with かしら

Is かしら on the JLPT?

In listening, かしら is a clue that the speaker is not sure. If a woman says 会議は三時からだったかしら, don’t treat “three o’clock” as confirmed information; she is checking, and the other speaker will often correct her.

Practice questions for かしら

Learning path for かしら

Related grammar to review next

• かな — the gender-neutral “I wonder,” and the one you should use when speaking.
• かもしれない — “might,” for when you want to guess rather than wonder.
• だろう — a more confident guess, often paired with かしら in thinking-aloud monologues.
• かどうか — “whether or not,” the embedded version of the same uncertain question.

Learn かしら with Hane

Hane plays かしら and かな side by side in short listening and grammar drills, so you catch the speaker’s uncertainty — and their voice — straight away. Practise N4 sentence endings in Hane.