Translation guide
The English word 'stimulation' covers a wide range of meanings, from physical and sensory activation to mental excitement and encouragement. In Japanese, different words are used depending on what is being stimulated and the nature of the effect. This guide organizes the most common and useful expressions for an English-speaking learner.
To cause a physical reaction, especially in nerves, muscles, or senses.
The most general term for stimulation, covering physical, sensory, and even mental activation. Can be used as a noun or with する to mean 'to stimulate'.
この薬は神経を刺激する。
This medicine stimulates the nerves.
強い光が目に刺激を与えた。
The bright light gave stimulation to the eyes.
Refers to excitement or arousal, often physiological. Used for stimulation that causes heightened activity, like caffeine or emotional excitement.
カフェインは神経の興奮を引き起こす。
Caffeine causes neural stimulation.
Means 'activation' and is used in scientific or technical contexts for stimulating cells, brain regions, or economic activity.
この成分は脳の特定の領域を活性化する。
This ingredient stimulates specific areas of the brain.
To provoke thought, interest, or creativity.
Also used for mental stimulation. 刺激的な (stimulating) is a common adjective form.
彼の講演はとても刺激的だった。
His lecture was very stimulating.
新しいアイデアが思考を刺激する。
New ideas stimulate thinking.
An idiomatic phrase meaning 'to tickle one's intellectual curiosity', often used for intellectually stimulating content.
この本は知的好奇心をくすぐる。
This book stimulates intellectual curiosity.
Means 'enlightenment' or 'edification', used for stimulation that leads to personal development or awareness.
To encourage economic activity or growth.
Commonly used in economic contexts, e.g., 経済刺激 (economic stimulus).
政府は経済刺激策を発表した。
The government announced economic stimulation measures.
Often used for revitalizing local economies or markets.
Means 'promotion' or 'stimulation' of industry, culture, etc., often used in policy contexts.
To arouse sexual desire or physical response.
The general term, but context makes it clear. 性的刺激 (sexual stimulation) is more explicit.
性的な刺激を与える。
To give sexual stimulation.
Refers to sexual arousal or excitement.
刺激 (shigeki) is the most versatile and neutral word for 'stimulation'. 興奮 (kōfun) implies excitement or arousal, often with a physiological or emotional nuance. 活性化 (kasseika) is more technical and means 'activation', used for making something more active rather than just provoking a response.
音楽が脳に刺激を与える。
Music gives stimulation to the brain.
観客は興奮した。
The audience was excited (stimulated).
この酵素は細胞を活性化する。
This enzyme activates (stimulates) cells.
English uses 'stimulation' in many abstract ways (e.g., 'intellectual stimulation'). While 刺激 often works, some collocations may sound unnatural. For example, 'a stimulating conversation' is better translated as 刺激的な会話 rather than 刺激の会話. Pay attention to adjective forms like 刺激的な (stimulating).
その経験は彼に大きな啓発を与えた。
That experience gave him great stimulation.
地域経済の活性化が急務だ。
Stimulation of the local economy is urgent.
観光産業の振興に力を入れている。
They are focusing on the stimulation of the tourism industry.
性的興奮を高める。
To increase sexual stimulation.