in practice

Idioms  

1. Actually, in fact, especially as opposed to theoretically or in principle . For example, In practice this contraption seems to work, although no one knows how or why . [Second half of 1500s] Also see put into practice .

2. In the exercise of a particular profession, as in She's an obstetrician and has been in practice for at least ten years . [c. 1700]

3. In a state of being exercised so as to maintain one's skill, as in This trumpeter is always in practice . [Early 1600s] For an antonym, see out of practice .

---

Example Sentences

"A formal hierarchy still remains in Tehran, but in practice, power and authority are likely exercised in a more fragmented and diffuse manner," said Sabet.

From Barron's • Jun. 4, 2026

This doesn’t mean conservatives and liberals will agree in practice.

From The Wall Street Journal • Jun. 2, 2026

But in practice, the movement’s definitions of good and how to maximize it are at times controversial.

From Slate • Jun. 2, 2026

But much of this advice is difficult to follow in practice.

From BBC • May 28, 2026

"Get to the armory and tell Lucan that Ser Lyonel notched his sword in practice and needs a new one. Here's his mark."

From "A Clash of Kings" by George R.R. Martin