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English to English adjective
| 1 |
Destitute of light; dark. |  | source: webster1913 adjective satellite
| 2 |
giving no light |  | Example: lightless stars `visible' only to radio antennae
source: wordnet30
| 3 |
without illumination |  | Example: came up the lightless stairs the unilluminated side of Mars through dark unlighted (or unlit) streets
source: wordnet30
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