oily

/ˈɔɪli/ (bre, ipa) · /ˈɔɪli/ (ame, ipa) · /ˈȯi-lē/ (ame, mw)

oily — adjective

  • oilypositive
  • oiliercomparative
  • oiliestsuperlative

1. having the texture, smell, taste, or shiny appearance of oil — for example, a sl

1.形容詞B2
釋義

having the texture, smell, taste, or shiny appearance of oil — for example, a slick patch of liquid on the road or skin that shines because it produces too much natural grease.

例句

The puddle near the gas pump had a strange oily shine in the sunlight.

describing surface appearance: oily shine / sheen

Maya's forehead felt oily by lunchtime, so she carried small blotting papers.

describing skin texture

同義詞
  • greasy

    stronger and more negative; suggests unpleasant residue

  • slick

    focuses on the smooth, slippery surface look

  • oleaginous

    formal or technical; rare in everyday speech

反義詞
  • dry

    lacking any oil or moisture, especially of skin

  • matte

    of a surface, with no shine

用法筆記

Distinguish from sense 2: this sense describes how something looks, feels, smells, or tastes (a quality), while sense 2 describes literal contact with oil or a high oil content.

常見錯誤

My skin is oil today.
My skin is oily today.
💡use the adjective form 'oily', not the noun 'oil', to describe a quality.

2. coated with oil on the outside, or holding a large amount of oil or fat inside —

2.形容詞B2
釋義

coated with oil on the outside, or holding a large amount of oil or fat inside — said of objects, hands, food, or fish such as salmon and sardines that are naturally rich in oils.

例句

Marcus wiped his oily hands on a rag before shaking the customer's hand.

covered with oil: oily hands / fingers

The mechanic kept a pile of oily rags in a metal box to prevent fires.

collocation: oily rag / cloth

同義詞
  • greasy

    more negative; usually about unwanted grease on food or surfaces

  • fatty

    used of food only; focuses on fat content rather than oil coating

  • oil-soaked

    stronger; suggests oil has been absorbed all the way through

反義詞
  • dry

    containing or covered with no oil

  • lean

    of meat or fish, low in fat

用法筆記

Subject is usually a physical object, body part, food, or fish. With food this can be negative (greasy, unhealthy) or positive ('oily fish' means high in healthy omega-3 oils) — context decides which.

常見錯誤

Salmon is an oily food, so it is bad for you.
Salmon is an oily fish, but its oils are good for you.
💡'oily fish' is a fixed phrase that often signals healthy fats, not unhealthy grease.

3. behaving in a smooth, overly polite way that feels false and makes other people

3.形容詞C1
釋義

behaving in a smooth, overly polite way that feels false and makes other people uncomfortable, as if the person is trying to win you over for their own benefit.

例句

The car salesman gave Lina an oily smile and praised her excellent taste.

describing manner: oily smile

Voters distrusted the mayor's oily charm during the televised debate.

collocation: oily charm / manner

同義詞
  • smarmy

    very close in meaning; informal British

  • unctuous

    more formal and literary; same insincere quality

  • ingratiating

    neutral-to-negative; focuses on trying hard to please

  • slick

    broader; can also mean clever or skilled, not always negative

反義詞
  • sincere

    honest and genuine in feeling

  • blunt

    direct and plain, with no polished manner

用法筆記

Always negative and mildly insulting. Subject is usually a person or one of their behaviors (smile, voice, charm, compliments). Often appears in 'an oily [salesman/politician/manager]'. Distinct from sense 1 — this is figurative, never literal.

常見錯誤

Thank you for your oily welcome!
Thank you for your warm welcome!
💡'oily' as a compliment sounds like an insult; use 'warm' or 'kind' for sincere praise.