otiose (adj.)
- abortive
- airy
- asinine
- available
- barren
- bootless
- catchpenny
- empty
- fallow
- fatuous
- flimsy
- foolish
- free
- frivolous
- frothy
- fruitless
- futile
- idle
- inane
- inapplicable
- inoperable
- inoperative
- jobless
- leisured
- light
- lumpen
- nonfunctional
- nugatory
- off
- profitless
- shallow
- silly
- slender
- slight
- sterile
- superficial
- trifling
- trite
- trivial
- unemployable
- unemployed
- unfit
- unhelpful
- unoccupied
- unproductive
- unprofitable
- unremunerative
- unrewarding
- unsuitable
- unusable
- unworkable
- vacuous
- vain
- vapid
- windy
