fast Synonyms
Another word for fast
• adverb (Context 1)
At a high speed, or within a short period of time.
"Children grow up so quickly that their clothes need replacing every season."
• adjective (Context 2)
Moving or capable of moving at high speed.
"The cheetah is the fastest land mammal in the world."
• adjective (Context 3)
Happening, accomplished, or performed in a remarkably short time, or facilitating rapid movement.
"She made a prompt recovery after the surgery and returned to work within a week."
• noun (Context 4)
A period of abstaining from all or certain kinds of food or drink, often observed for religious, ethical, or medical reasons.
"The patient was instructed to complete a twelve-hour fasting before the blood test."
• verb (Context 5)
To abstain from all or some kinds of food or drink, especially as a religious observance or for medical purposes.
"Observant members of the community abstain from dawn until sunset during the holy month."
• adverb (Context 6)
Firmly, tightly, or deeply so as not to be easily moved or awakened.
"The exhausted toddler was firmly asleep before the car even left the driveway."
• adjective (Context 7)
Showing a time ahead of the actual or official time (of a clock or watch).
"My watch is five minutes ahead so that I never miss the morning train."
• adjective (Context 8)
Firmly fixed, attached, or loyal, and not easily moved, separated, or faded.
"They became secure friends during their first semester at university."
Opposites of fast
Looking for antonyms? The opposite of fast varies depending on the context. Here are a few common opposites: