English Dictionary

free rein

noun

Loose rein(s), as of a horse. / (figuratively) The absence of constraints; freedom to make decisions.

She gave her horse free rein and let it gallop across the field.

意味（1）

Loose rein(s), as of a horse.

she should simply hold the reins so lightly that his mouth can just be felt, which is called giving a free rein.

意味（2）

(figuratively) The absence of constraints; freedom to make decisions.

Chaucer gave a free rein to his poetical mirth