| Synonym Collection v1.1 | ||
| Main Entry: | unknown | |
| Part of Speech: | adjective | |
| Synonyms: | alien, anonymous, concealed, cryptogenic, foreign, idiopathic, imponderable, incalculable, incognito, incomprehensible, inconspicuous, inglorious, innominate, nameless, nobody, noumenal, obscure, strange, uncelebrated, uncharted, undiscovered, unexplored, unfamiliar, unheard-of, unhonored, unidentified, unknowable, unsung | |
| Synonym Collection v1.1 | ||
| Main Entry: | unknown | |
| Part of Speech: | noun | |
| Synonyms: | imponderables, inconnu, noumenon, terra incognita | |
| Roget's II: The New Thesaurus | ||
| Main Entry: | obscure | |
| Part of Speech: | adjective | |
| Definition: | Not known or not widely known by name. | |
| Synonyms: | nameless, unheard-of | |
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