in principle

/ɪn ˈprɪnsəpəl/ · in PRIN-suh-pultheoretical-qualification phrase

According to a general rule, ideal, or possibility, even if practical conditions interfere.

Use in principle to express this relationship precisely: according to a general rule, ideal, or possibility, even if practical conditions interfere.

What in principle Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Core function

According to a general rule, ideal, or possibility, even if practical conditions interfere.

Example

In principle, any resident may request the records.

2

Scope in a sentence

Use this expression in its normal grammatical frame so the relationship between the surrounding ideas remains explicit.

Example

The parties agreed in principle but had not settled the cost.

3

Analytical effect

It tells the reader how to interpret the timing, scope, evidence, contrast, condition, or consequence in the statement.

Example

The method is sound in principle, although it requires unusually precise instruments.

Use in principle Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

In principle, any resident may request the records.

The parties agreed in principle but had not settled the cost.

The method is sound in principle, although it requires unusually precise instruments.

Precision Matters

In principle overlaps with several common words, but each carries a different emphasis.

in principle

Means according to a general rule, ideal, or possibility, even if practical conditions interfere.

vs.
in theory

Means according to an idea, model, or expected rule rather than observed implementation.

in principle

Means according to a general rule, ideal, or possibility, even if practical conditions interfere.

vs.
in practice

Means describe what actually happens when an idea, rule, or method is applied.

in principle

Means according to a general rule, ideal, or possibility, even if practical conditions interfere.

vs.
in general

Means state what is broadly or usually true while allowing possible exceptions.

in principle

Means according to a general rule, ideal, or possibility, even if practical conditions interfere.

vs.
in effect

Means state what something amounts to in practice or restate its essential implication.

Test in principle in Context

The capability exists as a general possibility, while practical limits remain.

1

___, the algorithm can process any language, but it has been trained on only three.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated3 August 2026
Selection and reviewRead our methodology