Translation guide
Describes difficulty expressing oneself clearly in words, often due to emotion, lack of skill, or physical inability. Japanese expressions vary by cause: emotional overwhelm, poor communication skills, or speech disorders.
To describe someone who struggles to put thoughts into words, often resulting in unclear or clumsy speech.
Describes a person who is poor at expressing themselves verbally; often implies shyness or lack of eloquence rather than a physical issue.
彼は口下手で、自分の気持ちをうまく伝えられない。
He is inarticulate and can't convey his feelings well.
Literally 'words don't come out'; used when someone is at a loss for words, often due to shock, nervousness, or mental block.
緊張して言葉が出てこなかった。
I was so nervous I became inarticulate.
Means 'clumsy' in a broad sense; can describe someone verbally awkward when combined with context, but primarily refers to physical or social clumsiness.
彼は不器用で、うまく説明できない。
He is clumsy and can't explain things well.
When strong feelings like anger, sadness, or excitement make speech fragmented or incoherent.
Means 'cannot be put into words'; used when emotions are so intense that coherent speech is impossible.
嬉しすぎて言葉にならない。
I'm so happy I'm inarticulate.
A choked or muffled voice that fails to form words, often due to crying or extreme emotion.
彼女は声にならない声で何か言おうとしていた。
She was trying to say something in an inarticulate voice.
To stammer or stutter; can be used when someone is so emotional they can't speak smoothly, but primarily refers to a speech impediment.
Describing speech that is physically difficult to understand due to poor articulation, mumbling, or slurring.
Means 'unclear' or 'obscure'; often used for speech that is muffled, slurred, or poorly articulated.
彼の説明は不明瞭で、何を言っているのかわからなかった。
His explanation was inarticulate and I couldn't understand what he was saying.
Onomatopoeia for mumbling or speaking indistinctly, often with one's mouth half-closed.
Literally 'insufficient tongue'; describes speech that is lisping or unclear, often used for children or as a mild criticism.
Referring to a physical or developmental inability to produce speech, such as muteness or severe speech impairment.
Means 'unable to speak'; can refer to muteness or temporary loss of voice. More direct than 'inarticulate' but covers the extreme end.
事故のショックで一時的に口がきけなくなった。
Due to the shock of the accident, she became temporarily inarticulate.
Aphasia; a medical condition where one loses the ability to understand or express speech. Technical term.
彼は脳卒中で失語症になり、言葉をうまく話せなくなった。
He developed aphasia after a stroke and became inarticulate.
There is no single Japanese word that covers all nuances of 'inarticulate'. Translating it as 非明瞭 (himeiryou) or 非言語的 (higengoteki) would sound unnatural. Choose an expression based on the cause: emotional, skill-based, or physical.
口下手 describes a personality trait (always bad with words), while 言葉が出てこない describes a temporary state (words failing you in the moment). Use 口下手 for a shy or awkward speaker, and 言葉が出てこない for a mental block.
He spoke inarticulately, stammering with anger.
彼はもごもごと何か言ったが、聞き取れなかった。
He mumbled something inarticulately and I couldn't catch it.
彼の話し方は舌足らずで、聞き取りにくい。
His way of speaking is inarticulate and hard to understand.