estreñir

to make constipated

to cause constipation

estreñir

transitive verb

1. (to make digestion difficult for someone)

a. to make constipated

Creo que algo de lo que comí ayer me estriñó.

I think something I ate yesterday made me constipated.

b. to constipate

Comer tanta grasa te va a estreñir.

Eating all that fat is going to constipate you.

intransitive verb

2. (to make digestion difficult)

a. to cause constipation

Mi hermana leyó en algún lado que el queso estriñe, y ahora ya no lo come.

My sister read somewhere that cheese causes constipation, and now she doesn't eat it.