不吉

1. Origins, structure, and basic meaning

• Structure: 不吉, read ふきつ, is a na-adjectival stem meaning ominous or suggestive of misfortune.
• Basic usage: 不吉な予感 modifies a foreboding feeling; 不吉な出来事 modifies the ill-fated event foreshadowed in a story.

2. Common pitfalls and similar expressions

• Noun modification with 不吉な
  • Both nouns require the linker な. One describes a premonition and the other an event judged ominous.