“Give your imagination free reign.”
Confusables Entry 552 / 1605 60-second read
Reign vs. Rein
A monarch’s rule versus a horse strap.
The comparisoni
“Give your imagination free rein.”
The ruleii
¶
FREE REIN (not reign).
The idiom is "free REIN," from riding — to let the reins go slack. "Free REIGN" is a common mistake.
Memory aidiii
Remember it like this
Horse reins → "free rein."