明るくなる

akarakunaru

to become bright or cheerful

部屋が明るくなった

The room became bright.

general

to become bright or illuminated

太陽が出て部屋が明るくなった

The sun came out, and the room became bright.

Often used to describe physical brightness or illumination.

emotional

to become cheerful or optimistic

彼の話を聞いて気分が明るくなった

After hearing his story, my mood became cheerful.

Can also describe a shift in emotional state to a more positive one.

Collocations

bright future

The phrase can describe both physical light and emotional cheerfulness.

Determine from context whether it refers to light or mood.

Combination of 明るい (akaru, bright) and なる (naru, to become).

Can refer to both physical brightness and emotional cheerfulness.

明るい

bright

root

なる

to become

suffix

和英辞典