in principle

Idioms  

1. Fundamentally, in general, but not necessarily in all particulars. For example, The diplomats accepted the idea in principle but would rely on experts to work out all the details. [Early 1800s]

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Example Sentences

No, the analogy can’t take us that far; there are no ingredients here, just a calculation you could, in principle, do by hand.

From Slate • May 25, 2026

The New York Times reported Sunday that the U.S. and Iran agreed in principle to cease hostilities and fully reopen the strait, with the issue of Iran’s nuclear materials to be negotiated later.

From MarketWatch • May 24, 2026

Both countries agreed in principle to discuss a framework for reciprocal tariff reductions on products of equivalent value under a trade council mechanism, with each side covering goods worth at least US$30 billion.

From The Wall Street Journal • May 20, 2026

“However, in principle, and even as a power systems engineer, I believe it is important to prioritize our cultural, ecological and environmental assets.”

From Los Angeles Times • May 17, 2026

Among the members of the inspection task force, Lawrence and Mills were willing to entertain the idea of a test ban in principle but were pessimistic that it could be adequately monitored.

From "Big Science" by Michael Hiltzik