Translation guide
The English verb "discover" covers finding something new, learning a fact, or realizing something. Japanese uses different verbs depending on whether you find a physical object, uncover a fact, or come to a realization. This guide breaks down the most useful Japanese expressions for each meaning.
discover a new species
Use 発見 for finding something for the first time.
Expressing the act of finding a physical object, place, species, etc., for the first time.
The most direct equivalent for discovering something tangible or factual. Often used in scientific, exploratory, or news contexts.
They discovered a new star.
He discovered ancient ruins in the cave.
More casual and everyday than 発見する. Used for finding something you were looking for or stumbling upon something.
A more literary or formal word for discovering value or meaning in something. Often used in written language.
Expressing that you found out some information, often through investigation or by chance.
The basic verb for 'to know' or 'to learn'. Use it when you discover a fact or piece of information.
Expressing a sudden awareness or realization, not necessarily through active searching.
Emphasizing the process of bringing something to light, such as a secret, talent, or evidence.
発見する is more formal and often used for significant discoveries (scientific, historical). 見つける is casual and used for everyday findings. If you find your keys, use 見つける; if you discover a new planet, use 発見する.
I found my keys.
いいレストランを見つけた。
I discovered a great restaurant.
I discovered a small park while taking a walk.
彼は人生の意味を見出した。
He discovered the meaning of life.
彼が結婚していたことを知った。
I discovered that he was married.
I was surprised to discover the truth.
Implies understanding or coming to know something. Often used when the discovery is a realization or clarification.
I discovered that he was the culprit.
Formal word used when facts come to light, often in news or official reports. Intransitive.
The cause of the accident was discovered.
I discovered that I had forgotten my wallet.
I discovered that she was lying.
A deeper, often spiritual or profound realization. Used in serious contexts.
He discovered his destiny.
The journalist discovered the politician's corruption.
To see through something, like a disguise or a lie. Implies keen perception.
He discovered her lie.
Literally 'excavate', but used metaphorically for discovering hidden talent or forgotten things.
He discovered a new singer.
新惑星を発見した。
They discovered a new planet.
English 'discover' is often used for learning facts or realizing things. In such cases, 知る or 気づく are much more natural. Using 発見する for 'I discovered he was lying' would sound odd.
I discovered he was lying.
Scientists discovered a new treatment for the disease.
I discovered that I enjoy cooking.
We discovered a lovely café near the station.