Split an infinitive

usgb
verb

In English grammar, to split an infinitive means to put a word, especially an adverb, between 'to' and a verb in its base form. Sometimes people say it's wrong to split infinitives.

The most famous example of splitting an infinitive is from Star Trek's opening sequence: 'to boldly go where no man has gone before.'
Visual representation of "split an infinitive" - In English grammar, to split an infinitive means to put a word, especially an adverb, between 'to' and a verb in its base form. Sometimes people say it's wrong to split infinitives.

Often appears as...

  • choose not to split an infinitive
  • avoid splitting an infinitive

Usage tips

Academic

Definition 1 of 1
Visual representation of "split an infinitive"
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Style Choice

Split infinitives can stylistically emphasize the action, but may be frowned upon in formal writing.

Illustration for Style Choice
He decided to not participate in the event.
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Rhythmic Flow

Adding an adverb can create a natural rhythm making the phrase easier or more pleasing to hear.

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She learned to quickly adapt to new situations.
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Cultural Icon

The Star Trek example shows that famously split infinitives can become iconic in popular culture.

Illustration for Cultural Icon
The phrase 'to boldly go' is recognized worldwide thanks to Star Trek.
Visual representation of the word "Split an infinitive"

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