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Adjective: Old English fæstan . Confer Dutch vasten , German fasten , Old Norse fasta , Gothic fastan . Probably cognate with the words under Etymology 2, below.
Singular fast
Plural fasts
fast ( plural fasts )
act or practice of abstaining from or eating very little food
period of time when one abstains from or eats very little food
to fast ( third-person singular simple present fasts , present participle fasting , simple past fasted , past participle fasted )
Infinitive to fast
Third person singular fasts
Simple past fasted
Past participle fasted
Present participle fasting
to abstain from or eat very little food
Old English fæst , firm. Confer Dutch vast , German fest , Old Norse fastr . For temporal meanings confer similar use of hard
fast ( comparative faster , superlative fastest ; adverb fast )
occurring or happening within a short time
capable of moving with great speed
firmly or securely fixed in place
ahead of the correct time or schedule
of a dye: not running or fading
of photographic film: more sensitive to light than average
of sleep: deep or sound
fast ( comparative faster , superlative fastest )
within a short time
moving quickly or with great speed
in a firm or secure manner
of sleeping: deeply or soundly
fast