Translation guide
The English word 'unforeseen' describes something that was not anticipated or predicted. In Japanese, this concept is expressed through adjectives, verbs, and set phrases that emphasize unexpectedness, lack of prediction, or sudden occurrence. The most common and natural ways to convey 'unforeseen' depend on whether you are describing a situation, an event, or a consequence.
To say that something happened which was not anticipated or predicted, often with a nuance of surprise or lack of preparation.
A formal, written-style adjective meaning 'unexpected' or 'unforeseen'. It directly corresponds to 'unforeseen' and is commonly used in news, reports, and formal speech.
An unforeseen situation occurred.
I was troubled by unforeseen expenses.
An adjective meaning 'unexpected' or 'unforeseen', often with a nuance of something surprising or fortuitous. It can be used in both positive and negative contexts.
An unforeseen stroke of luck came my way.
A noun meaning 'unforeseen' or 'unexpected', often used in compound phrases like 不測の事態 (unforeseen situation). It is more formal and common in written or official contexts.
Prepare for unforeseen circumstances.
A noun/adjective meaning 'unexpected' or 'beyond expectations'. It is slightly less formal than 予期せぬ and very common in everyday speech.
It turned out to be an unforeseen result.
A noun meaning 'outside assumptions' or 'unforeseen', often used in business or technical contexts to describe something not covered by plans or models.
An unforeseen trouble occurred.
To stress that an event or outcome was impossible to foresee, often implying no one is at fault.
To highlight the abruptness or suddenness of an unforeseen event.
An adverb/adjective meaning 'sudden' or 'abrupt'. While not a direct translation of 'unforeseen', it is often used in contexts where an event was both sudden and unexpected.
I was surprised by the unforeseen visit.
A noun meaning 'unexpected' or 'sudden', often used in the phrase 不意に (suddenly/unexpectedly). It carries a nuance of being caught off guard.
予期せぬ is more formal and often used in written or official contexts, while 思いがけない is more conversational and can carry a nuance of surprise or emotional impact. For everyday speech, 思いがけない is usually more natural.
Do not translate 'unforeseen' literally as 見えない (cannot see). This would mean 'invisible' and is incorrect. Use the adjectives and phrases provided.
An unforeseen problem arose.
Natural disasters are often unforeseen.
Deal with an unforeseen event.