illiquid

1. Of or relating to an asset that is difficult to buy or sell within a short period without its price being affected. For example, collectibles, including stamps, coins, and art, are often difficult to sell quickly at a fair price. Compare liquid 1.
2. Of, relating to, or being an investment position in which a low proportion of assets is in cash or near-cash, thereby creating difficulty for the investor who is trying to raise funds for another purpose.