Oilproof is a term used to describe materials or surfaces that are resistant to the effects of oil, such as stains or damage. Synonyms for oilproof may include oil-resistant, oil-repellent, oil-repelling, oil-proof, and oil-defying. Other similar terms may include oil-rejecting, oil-blocking, oil-proofed, and oil-shunning. These synonyms all convey the same meaning and describe materials and surfaces that are highly resistant to the negative effects of oil. Whether you are looking to describe a material that is oilproof or a surface that is resistant to oil, these synonyms can help you communicate your message with clarity.