Search for the synonym (analogous) and antonym (opposite):
Synonyms:
inexplicable,
Contrari:
explainable, explicable, explicatable,
Dictionary:
adjective
That doesn't have a known or readily available explaination.
dictionary treccani.it
Synonym of the Day: apparel.
The Random Synonym:
retain, fully, col, completeness,
The most searched synonyms:
passé, cliché, apparel, hello,