Adjective : a rubber bath mat. ,a rubber plantation.    From Dictionary.com. 

There was a flat, rubberlike plug that fit over the drain.    From Wordnik.com.  [The Soprano Sorceress]

They are made of a sticky, rubberlike compound that adheres to the skin very tightly and creates an impermeable seal.    From Wordnik.com.  [The Garden of Rama]

Riser: To reduce vibration here, bow makers sculpt in ridges or cutouts and incorporate rubberlike synthetics within the riser material.    From Wordnik.com.  [The Whitetail Deer Hunter's Guide to Buying a Quiet Compound Bow] Reference

You mean the heat inside the earth is regularly released through the process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them.    From Wordnik.com.  [Think Progress » ThinkFast: August 16, 2006] Reference

Example: A patent having a claim for a composition consisting of a mixture of caoutchouc and casein, and a claim for the process of preparing a rubberlike substance which consists in adding undissolved raw caoutchouc to casein and thoroughly mixing and kneading the mass, would be classified according to the composition.    From Wordnik.com.  [The Classification of Patents] Reference

The barrier should be made entirely of rubberlike material, and free from metal chains or cables extending therealong, so that when it is accidentally run over by a ship, rather than winding up around a propellor or shaft and so possibly causing considerable damage or delay necessary for its removal, it is simply chopped up into pieces.    From Wordnik.com.  [Georgianne Nienaber: Coast Guard Media Liaison Works for BP's PR Agency] Reference

The investigation of the 1986 disaster was mired in contentious debate over whether rubberlike O-rings.    From Wordnik.com.  [WN.com - Articles related to Pakistan to Look at Nuclear Scientist's Ties to Iran] Reference

First, he took out a pair of gloves of some greenish, rubberlike substance, and put them on, drawing the long gauntlets up over his coat sleeves.    From Wordnik.com.  [Police Operation] Reference

She was happy, too, to have her old domain hers again, while Ellen nursed; to make again her flavorless desserts, her mounds of rubberlike gelatine, her pies.    From Wordnik.com.  [A Poor Wise Man] Reference

Placed on their sides, the bands, about two inches in diameter and cast out of rubberlike vinyl polysiloxane, were squashed a little by gravity into an oval shape.    From Wordnik.com.  [NYT > Home Page] Reference

The investigation of the 1986 disaster was mired in contentious debate over whether rubberlike O-rings scientists were driven to siege mentality by persistence of sceptics.    From Wordnik.com.  [WN.com - Articles related to Snow extent in Northern Hemisphere reaches second highest level in 44 years] Reference

The membrane was sandwiched between two pieces of a rubberlike material, creating channels on both sides that could be filled with liquid to expose the cells to different environments and chemicals.    From Wordnik.com.  [The Seattle Times] Reference

Beau's wrinkled, rubberlike hand reached out.    From Wordnik.com.  [Invasion]