to what extent

American  

[too wuht ik-stent, wot, hwuht, hwot] / ˌtu ˈwʌt ɪkˈstɛnt, ˈwɒt, ˈʰwʌt, ˈʰwɒt /

idiom

1. to how great a degree; how much, how far, how well, etc..

   To what extent were you acquainted with the deceased?

   These tests will help determine to what extent his memory has deteriorated.

---

Etymology

Origin of to what extent

First recorded in 1615–25

Example Sentences

Comparing their respective form, or wondering to what extent a four-hour first-week match may diminish one of them in the final, could quickly become tedious.

From BBC

"I wonder to what extent people are opting not to travel to jobs, in ways that they might have previously, because for example we created those posts during the pandemic," she said.

From BBC

It was unclear to what extent the Iranian vessels were involved in the exercises, which were justified by the South African navy as necessary to "ensure the safety of shipping lanes and maritime economic activities."

From Barron's

Amid this influx, a current ICE officer said, DHS has updated its field training; however, new recruits are given priority for the courses and it is unclear to what extent motor vehicle stops are incorporated.

From The Wall Street Journal

Since 1945, historians have debated to what extent Naruhito's late grandfather Hirohito was responsible for Imperial Japan's war of aggression in Asia.

From Barron's