| fifth wheel(noun, unnecessary, somebody) |
| hanger-on(noun, spare) |
| spare part(noun, expression, luxuriance, overdose, redundance) |
| surplus(noun, luxuriance, overdose, redundance) |
| added wheel(expression, extra, addition, adjustment, wheel) |
| affixed wheel(expression, extra, addition, adjustment, wheel) |
| byproduct(noun, luxuriance, overdose, redundance) |
| duplicate(noun, luxuriance, overdose, redundance) |
| excess(noun, luxuriance, overdose, redundance) |
| extra wheel(expression, extra, addition, adjustment, wheel) |
| forth wheel(expression, extra, addition, adjustment, wheel) |
| spare tire(noun, expression, spare) |
| spare wheel(expression, extra, addition, adjustment, wheel) |
| superfluousness(noun, luxuriance, overdose, redundance) |
| supplemental wheel(expression, extra, addition, adjustment, wheel) |
| supplementary wheel(expression, extra, addition, adjustment, wheel) |
| support wheel(expression, extra, addition, adjustment, wheel) |
| deadwood(noun, spare, luxuriance, overdose, redundance) |
| bosom buddy(noun, expression, luxuriance, overdose, redundance) |
| classmate(noun, luxuriance, overdose, redundance) |