English Reference
adjective · noun

oily

adj. · n.
US /ˈɔɪɫi/ UK /ˈɔɪli/ oily

  1. 01 B1 Intermediate

    adj.covered with oil or containing a lot of oil.

    adj.covered with, consisting of, or containing oil; often used to describe food, skin, or mechanical parts.

    Simple

    The mechanic wiped his oily hands on a rag after fixing the engine.

    In context

    The chef warned that the fried eggplant would become excessively oily if the temperature of the oil dropped too low during cooking.

    dry
  2. 02 C1 Advanced Informal

    adj.too polite or friendly in a way that you do not trust.

    adj.excessively smooth, polite, or flattering in a way that suggests insincerity or a hidden motive.

    Simple

    I didn't trust the salesman because of his oily smile and fake compliments.

    In context

    The politician's oily manner during the interview failed to convince the public that he was being entirely transparent about the budget cuts.

    unctuoussmarmyslick
  3. 03 B2 Upper Intermediate

    adj.looking or feeling like oil.

    adj.having the appearance, consistency, or slippery quality of oil.

    Simple

    The water had an oily shine on the surface after the boat passed.

    In context

    The liquid had a thick, oily texture that made it difficult to wash off the laboratory equipment.

  4. 04 C2 Proficiency InformalBritish EnglishDialect

    n.waterproof clothes worn by sailors or people working in the rain.

    n.waterproof garments, typically made of oilskin or similar treated fabric.

    Simple

    The crew put on their oilies before heading out into the storm.

    In context

    Before the race began, the sailors checked their oilies for any leaks that might compromise their comfort during the overnight leg.

    Usage

    Almost always used in the plural form 'oilies'.

    oilskinswaterproofs

From Middle English oylei, equivalent to oil + -y. Compare German ölig (“oily”), Swedish oljig (“oily”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Middle English oylei
Level B1 · Intermediate
Frequency Frequent
Updated