non·mar·ket·a·ble 
(nŏn-märkĭ-tə-bəl)
(nŏn-märkĭ-tə-bəl)adj.
1. Of or relating to a security that may not be sold by one investor to another but is generally redeemable by the issuer within limitations; nonnegotiable.
2. Difficult or impossible to market: a nonmarketable product.
- lightning arrester
- lightning bug
- lightning chess
- lightning rod
- light opera
- light out
- light pen
- light plane
- lightplane
- light pollution
- lightproof
- light rail
- light-rail
- light reaction
- light reflex
- lights
- light sail
- lightship
- light show
- lightsome
- lightsome
- lightsomely
- lightsomely
- lightsomeness
- lightsomeness