un·at·tain·a·ble 
(ŭn′ə-tānə-bəl)
(ŭn′ə-tānə-bəl)adj.
Impossible to attain: unattainable goals.
un′at·tain′a·bili·ty n.
un′at·taina·bly adv.
- sideritic
- SI-derived unit
- sidero-
- siderochrome
- siderocyte
- siderophile
- siderosis
- sidesaddle
- sideshow
- sideslip
- sidespin
- sidesplitter
- sidesplitting
- sidesplittingly
- sidestep
- sidestepper
- side-straddle hop
- sidestream smoke
- sidestroke
- sidestroker
- sideswipe
- sideswiper
- sidetrack
- sidewalk
- sidewalk superintendent