inspiegabili

Inspiegabili is the plural form of the Italian adjective inspiegabile, meaning "unable to be explained" or "inexplicable." It is used to describe events, phenomena, behaviors or facts for which no satisfactory rational explanation is available. The term appears frequently in everyday language, journalism, literature and scientific discourse when emphasis is placed on apparent lack of explanation rather than on proven supernatural causes.

Grammatically, inspiegabile is an -e ending adjective with a common singular form for both genders; inspiegabili is its plural for both masculine and feminine nouns. Comparative and superlative degrees are normally expressed periphrastically (più/meno inspiegabile, il più/meno inspiegabile). Synonyms include inexplicabile, incomprensibile and misterioso; antonyms include spiegabile and comprensibile.

Etymologically, the word is formed in Italian with the negative prefix in- attached to spiegabile (from spiegare, "to explain"), conveying the negation of explainability. Context determines whether the term signals a temporary lack of current understanding, an acknowledged gap in knowledge, or a rhetorical characterization intended to evoke wonder or mystery. In scientific contexts, labeling a phenomenon as inspiegabili typically prompts further investigation, whereas in popular contexts it may be used to underscore mystery or suspense.