| Word | Definitions | Synonyms |
|---|---|---|
| causeless | (adjective) having no cause or apparent cause | Synonyms: fortuitous, uncaused |
| (adjective) having no justifying cause or reason | Synonyms: reasonless | |
| mouselike | (adjective) of something having a drab pale brown color resembling a mouse | Synonyms: mouse-colored, mousey, mousy |
| useless | (adjective) having no beneficial use or incapable of functioning usefully | - |