1.
strange, mysterious
Difficult to explain or understand.
不思議 functions as both a na-adjective (strange, mysterious) and a noun (wonder, mystery).
FORMS:
- Na-adjective: 不思議な + noun
- Adverbial: 不思議に
- Noun: 不思議
COMMON EXPRESSIONS:
- 不思議なことに: strangely enough
- 不思議に思う: to find strange
- 不思議な気持ち: a strange feeling
- 七不思議: seven wonders/mysteries
COLLOCATIONS:
- 不思議な力: mysterious power
- 不思議な現象: strange phenomenon
- 自然の不思議: wonders of nature
CULTURAL NOTE:
不思議の国のアリス = "Alice in Wonderland"
The word conveys a sense of puzzlement or wonder at something beyond ordinary understanding.