Is fasten a correct word to talk about something that would fasten a process i.e. make it faster. Example sentence :

Warming up before running will fasten the metabolism.

  • We'd use the verb "speed" there.
    – TimR
    Commented Nov 23, 2015 at 11:52
  • @TimRomano - speed vs accelerate: books.google.com/ngrams/…
    – user66974
    Commented Nov 23, 2015 at 12:03
  • @Josh61: My sense is that you'd tend to find "accelerate" in scientific writing and "speed" in writing aimed at a lay audience. Warming up before running suggests the latter context to me.
    – TimR
    Commented Nov 23, 2015 at 12:08
  • 1
    I have very rarely seen "fasten" used in the sense of "make faster" (I'm thinking in texts from the 1700s maybe). I suspect this usage may have been technically correct at one time, but it's fallen into disuse for obvious reasons.
    – Hot Licks
    Commented Nov 23, 2015 at 13:49
  • 1
    @Josh61 Okay, "cuts a nice figure", is a very good expression :)
    – Mari-Lou A
    Commented Nov 24, 2015 at 21:13

2 Answers 2


Fasten means a kind of firm attachment - check this for reference.

To mean something which is happening fast, you can use Quicken.

  • 4
    I use Quicken for keeping my checkbook balanced.
    – Hot Licks
    Commented Nov 23, 2015 at 13:46
  • 'Speed up' is a nice alternative to 'quicken'.
    – florisla
    Commented Dec 17, 2021 at 16:23

To fasten means:

  • to make or become fast or secure
  • to make or become attached or joined

To convey the idea of increasing the functions of metabolism accelerate is the term generally associated with it:

  • to increase the speed or velocity of; cause to move faster.

The Free Dictionary

Ngram accelerate the metabolism.


Fasten derives from the original Old English meaning of fast ( firm, fix, secure), fast meaning quick appeared later, in the 16th century.


  • Old English fæstnian "make fast, make firm, fix, secure," also "ratify, betroth, confirm," from Proto-Germanic fastinon "to make firm or fast", from PIE fast "solid, firm" (see fast (adj.).


  • Old English fæst "firmly fixed, steadfast, constant; secure; enclosed, watertight; strong, fortified," probably from Proto-Germanic *fastu- "firm, fast"

  • Meaning "rapid, quick" is from 1550s.


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