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Grammar fix

in principle

generalising / hedging (in theory, but not always in practice)

Used to say that something is true or possible according to the basic idea or theory, but it may not always happen or work like that in real life.

expressionC1occasional

Hear it in context

Notice where the phrase sounds natural.

  • In principle, anyone can apply for the scholarship, but in reality, very few people meet all the requirements.daily life
  • In principle, technology should make our lives easier, but in practice, it sometimes creates new problems, like information overload or privacy concerns.IELTS speaking

Fix the pattern

Pattern: in principle, [clause] / [clause], in principle

WrongIn principal, I agree.

RightIn principle, I agree.

It's 'in principle' (the idea), not 'principal' (main / a head teacher).

Patternin principle, [clause] / [clause], in principle

Use it right

Choose the version that sounds natural in speech.

Stiff Theoretically speaking, the proposal is acceptable to us.

Natural In principle, we're fine with it — the details are another matter.

'In principle' neatly flags 'agreed in theory, not yet in practice'. 'Theoretically speaking' is vaguer.

Build natural chunks

Words that usually travel with it.

  • in principle
    agree in principlein principle, yesapproved in principlein practice

Don't confuse it

'In principle' focuses on what should be possible according to theory or rules, while 'in practice' refers to what actually happens in real situations.

Try it in Daily Speak →