Alicyclic compounds are organic compounds that are both aliphatic and cyclic. These are the saturated or unsaturated hydrocarbons containing non-aromatic rings of carbon atoms.
Alicyclic compounds may have one or more aliphatic side chains attached.
Alicyclic compounds do not have electron delocalization or aromatic character
Examples: Cyclopropane, Cyclobutane, Cyclopentane, Cyclopentene, Cyclohexane, Cyclohexene, etc.