Modifiers matching plastic:

• solid,
• common,
• inert,
• standard,
• new,
• thin,
• resistant,
• industrial,
• fibrous,
• technical,
• flexible,
• hard,
• rigid,
• translucent,
• traditional,
• washable,
• liquid,
• sensitive,
• slippery,
• thermal,
• useful,
• opaque,
• heavy,
• tough,
• corrosive,
• thermosetting,
• synthetic,
• thermoset,
• automotive,
• black,
• difficult,
• durable,
• commercial,
• clear,
• light,
• safe,
• thick,
• expanded,
• modern,
• lightweight,
• biodegradable,
• resilient,
• transparent,
• stable,
• smooth,
• brilliant,
• color,
• suitable,
• brittle,
• convenient,
• strong,
• nonpolar,
• amorphous,
• conventional,
• appropriate,
• basic,
• soft,
• colored,
• special,
• impermeable,
• viscous,
• polar,
• organic,
• over,

Simple categories matching polar:

• compound,
• animal,
• macromolecule,
• group,
• monomer,
• metabolite,
• pesticide,
• nutrient,
• diluent,
• resin,
• derivative,
• solvent,
• fluid,
• substance,
• fiber,
• contamination,
• bond,
• substrate,
• mammal,
• residue,
• material,
• radical,
• elastomer,
• chemical,
• base,
• particle,
• molecule,
• volatile,
• liquid,
• moiety,
• bird,
• rubber,
• impurity,
• hormone,
• activator,
• medium,
• protein,
• solute,
• plastic,
• polymer,
• region,
• ligand,
• unit,
• component,
• atom,
• adhesive,
• reactant,
• portion,
• surface,
• dielectric,
• insulator,
• contaminant,
• lubricant,
• constituent,
• structure,
• drug,
• gas,
• fraction,
• solid,
• metal,
• lipid,
• sorbent,
• reagent,
• intermediate,
• fauna,
• oil,
• organism,