| Word | Definitions | Synonyms |
|---|---|---|
| backstair | (adjective) secret and sly or sordid | Synonyms: backstairs, furtive |
| backstairs | (adjective) secret and sly or sordid | Synonyms: backstair, furtive |
| downstair | (adjective) on or of lower floors of a building | Synonyms: downstairs |
| downstairs | (adjective) on or of lower floors of a building | Synonyms: downstair |
| upstair | (adjective) on or of upper floors of a building | Synonyms: upstairs |
| upstairs | (adjective) on or of upper floors of a building | Synonyms: upstair |