TOP

Definition of oil verb from the Oxford Advanced Learner's Dictionary

oil

verb
 
/ɔɪl/
 
/ɔɪl/
Verb Forms
present simple I / you / we / they oil
 
/ɔɪl/
 
/ɔɪl/
he / she / it oils
 
/ɔɪlz/
 
/ɔɪlz/
past simple oiled
 
/ɔɪld/
 
/ɔɪld/
past participle oiled
 
/ɔɪld/
 
/ɔɪld/
-ing form oiling
 
/ˈɔɪlɪŋ/
 
/ˈɔɪlɪŋ/
Idioms
jump to other results
  1. oil something to put oil onto or into something, for example a machine, in order to protect it or make it work smoothly
    • He oiled his bike and pumped up the tyres.
    Word OriginMiddle English: from Old Northern French olie, Old French oile, from Latin oleum ‘(olive) oil’; compare with olea ‘olive’.
Idioms
oil the wheels (British English)
(North American English grease the wheels)
  1. to help something to happen easily and without problems, especially in business or politics
See oil in the Oxford Advanced American Dictionary
trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day