Meaning of 'fast'

adverb

quickly or rapidly, which is often used as a combining form

Example: "How fast can they get here?"

adverb

firmly or closely

Example: "held fast to the rope"

Synonyms: tight

adjective

(of a photographic lens or emulsion) causing a shortening of exposure time

Example: "a fast lens"

adjective

acting or moving or capable of acting or moving quickly

Example: "fast film"

adjective

at a rapid tempo

Example: "the band played a fast fox trot"

adjective

indicating a time ahead of or later than the correct time

Example: "My watch is always fast."

adjective

securely fixed in place

Synonyms: firm

adjective

hurried and brief

Synonyms: quick flying

adjective

unrestrained by convention or morality

Synonyms: riotous degraded dissipated debauched degenerate dissolute libertine profligate

adjective

resistant to destruction or fading

Example: "fast colors"

adjective

(of surfaces) conducive to rapid speeds

Example: "a fast road"

noun

abstaining from food

Synonyms: fasting

verb

abstain from eating

Example: "Before the medical exam, you must fast"

verb

abstain from certain foods, as for religious or medical reasons

Example: "Catholics sometimes fast during Lent"

adjective

unwavering in devotion to friend or vow or cause

Synonyms: firm