Translation guide
The act of being lost in pleasant thoughts while awake, often as a distraction from the present. Japanese expresses this through nouns, verbs, and descriptive phrases, with nuances ranging from idle fantasy to deep reverie.
Describing the act of daydreaming, spacing out, or being absorbed in pleasant thoughts.
Literally 'to indulge in fantasy'. A common, natural way to say someone is lost in a daydream. Can be used for both momentary and prolonged states.
He often daydreams during class.
I like to daydream while looking out the window.
Means to space out or be absent-minded. Often implies a blank, unfocused state rather than active fantasy, but commonly used for daydreaming.
I ended up daydreaming at work.
She was daydreaming while gazing at the sea.
To dream or fantasize, often with a literary or slightly formal tone. Implies a more vivid, imaginative daydream.
He was daydreaming about success.
Literally 'to see a daytime dream'. A direct translation of 'daydream', but less common in casual speech. Used in psychological or descriptive contexts.
He seemed to be having a daydream.
Referring to the pleasant thoughts or imagined scenarios themselves.
The most common noun for 'daydream' or 'fantasy'. Neutral and widely used.
That's just a daydream.
A dream or vision, often with a grand or unrealistic quality. Slightly more literary than 空想.
The literal term for 'daydream', but used mainly in psychology or literature. Not common in everyday conversation.
Expressing that someone is fantasizing about a particular thing or scenario.
空想 (fantasy/daydream) is the most common and neutral. 夢想 (dream/vision) is more literary and often implies grand or unrealistic dreams. 白昼夢 (daydream) is a technical term and rarely used in daily speech.
I used to daydream a lot as a child.
His daydreams are too grandiose for anyone to understand.
The English word 'daydream' is often translated directly as 白昼夢, but this sounds unnatural in most contexts. Use 空想 or 空想にふける instead for natural Japanese.
He is having a daydream. (unnatural)
His head is full of daydreams.
His daydreams are out of touch with reality.
Daydreaming is a form of escapism.
He is daydreaming. (natural)