What's the adjective for slideable? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs slide and slidder which may be used as adjectives within certain contexts.
slidey
(informal) Tending to slide or cause sliding; slippery.
“The work platform is attached to the guide ropes by two further ropes which are slidable along the guide ropes by means of releasable hooks.”
“An injection molded carrier for a disk drive or other electronic component includes two rails for slidable insertion into a chassis.”
“In one exemplary embodiment, an apparatus includes a pressurization cylinder, and a piston which is slidable within the cylinder to pressurize a gas.”