Lately I've noticed increasing usage of the phrase "free reign". Is this a legitimate usage of the word "reign", or is this a corruption of the phrase "free rein"?

I've been dismissing usages of "free reign" as grammatical errors, but I'm beginning to see this phrase used even in print, so I'm questioning my initial dismissal of this phrase.


1 Answer 1


The NOAD reports the following note, in the definition of reign:

The correct idiomatic phrase is free rein, not free reign.

In the definition of rein, the dictionary adds the following notes:

The idiomatic phrase a free rein, which derives from the literal meaning of using reins to control a horse, is sometimes misinterpreted and written as a free reign. More than a third of the citations for the phrase in the Oxford English Corpus use reign instead of rein.

Grammatically speaking, both the phrases would be correct, but the idiomatic phrase should be free rein.

  • Thank you for supplying those definitions. Free rein always made more sense to me, as I was thinking of the phrase in terms of reins on a horse, as seen in the definition.
    – quanticle
    Commented Mar 6, 2011 at 2:55
  • 1
    No doubt the confusion stems from both the fact that "rein" and "reign" refer to systems of control (both could be possibly "free" in a notional way), and that few speakers today will be familiar with equestrian terminology. We have lots of similar terms like "saddle" and "bridle," "chomping at the bit," etc., that are used metaphorically.
    – The Raven
    Commented Mar 6, 2011 at 13:04
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    @The Raven: It's actually champing at the bit (which kind of makes your point even more true ;-)
    – psmears
    Commented Mar 6, 2011 at 21:51
  • The pronunciation of the two terms are absolutely identically, in speech no one would bat an eyelid if you said: "free rei(g)n" The -g, in case it needs mentioning, is silent, so "saying" the phrase will always be idiomatic, even when the person thinks rein is spelled rain. This is just a question about spelling, it has very little to do with eggcorns.
    – Mari-Lou A
    Commented Dec 17, 2016 at 20:38
  • @Mari-LouA I am not sure who is speaking of eggcorns.
    – apaderno
    Commented Dec 17, 2016 at 23:58

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