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

fast

verb
 
/fɑːst/
 
/fæst/
[intransitive]
Verb Forms
present simple I / you / we / they fast
 
/fɑːst/
 
/fæst/
he / she / it fasts
 
/fɑːsts/
 
/fæsts/
past simple fasted
 
/ˈfɑːstɪd/
 
/ˈfæstɪd/
past participle fasted
 
/ˈfɑːstɪd/
 
/ˈfæstɪd/
-ing form fasting
 
/ˈfɑːstɪŋ/
 
/ˈfæstɪŋ/
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  1. to eat little or no food for a period of time, especially for religious or medical reasons
    • Muslims fast during Ramadan.
    • Patients usually fast overnight before undergoing surgery.
    Topics Religion and festivalsc2
    Word Originverb Old English fæstan (verb), of Germanic origin; related to Dutch vasten and German fasten, also to Old Norse fasta, the source of the noun.
See fast in the Oxford Advanced American DictionarySee fast in the Oxford Learner's Dictionary of Academic English
previously
adverb
 
 
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