Dark, anonymous, and concealed are all synonyms for unknown. Known, decided, familiar, famous, and celebrated are antonyms of unknown. And here are 60 another word for unknown.
The adjective "unknown" has a variety of synonyms that differ in length. 1 synonym with 3 letters, 1 synonym with 4 letters, 3 synonyms with 5 letters, 8 synonyms with 6 letters, 6 synonyms with 7 letters, 2 synonyms with 8 letters, 8 synonyms with 9 letters, 12 synonyms with 10 letters, 5 synonyms with 11 letters, 6 synonyms with 12 letters, 4 synonyms with 13 letters, and 2 synonyms with 15 letters, for a total of 58 synonyms for unknown.
The sender's identity remains unknown still.
They ventured into unknown territory bravely.
The cause of illness is unknown.
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| Word | Opposites | Synonyms |
|---|---|---|
| Breakdown | Functioning or working | Malfunction, failure |
| Knot | Untie, loose. | Tie, make/tie a knot in |
| Knotted | Untangled, smooth | Tangled, tangly |
| Downfall | Rise, salvation, survival | Undoing, ruin |
| Facedown | Faceup, upright | Prone, flat |
| Own | Borrow, rent | Be the owner of, possess |
| Knowledge | Ignorance, illiteracy | Understanding, comprehension |
| Known | Unknown, secret | Familiar, known about |
| Knowledgeable | Ignorant, ill-informed | Well informed, informed |
| Well known | Unknown, abstruse, obscure, unimportant, unsung | Familiar, widely known |
| Nowadays | Historically, In the past | Currently, today |
| Down | Up, upward | Towards a lower position, downwards |
| Now | Before, then | At the moment, at present |