1.
fatal; critical; devastating
Causing death or irreparable harm. Used both literally (a fatal wound) and figuratively (a critical flaw, a devastating mistake).
致命的なミスを犯した。
I made a fatal mistake.
この欠陥は製品にとって致命的だ。
This defect is critical for the product.
データの流出は企業の信頼に致命的な打撃を与えた。
The data leak dealt a devastating blow to the company's credibility.
致命的 is a na-adjective formed from 致命 (causing death) + 的 (adjectival suffix). While it can describe literally fatal situations, the figurative usage (critical flaw, devastating problem) is more common in everyday speech.
COMMON COLLOCATIONS:
- 致命的なミス (a fatal mistake)
- 致命的な欠陥 (a critical defect)
- 致命的な打撃 (a devastating blow)
- 致命的な弱点 (a fatal weakness)
- 致命的な傷 (a fatal wound)
USAGE NOTES:
In computing and technology, 致命的なエラー is the standard translation for "fatal error." The word is very common in business and news contexts to describe problems that could cause irreversible damage.