pi

Other forms of pi

plural

pis·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about pi

What does pi mean?

pi means "the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...". That is the primary sense; the word has 5 in total, listed in full on this page.

How many syllables are in pi?

pi has 1 syllable: pi. In IPA it is /ˈpaɪ/.

What is another word for pi?

Close synonyms include private detective, private eye, private investigator, operative, shamus. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is pi a common word?

pi is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.

What rhymes with pi?

5 words rhyme with pi. Rhymes are matched on the phonemes from the last stressed vowel onward, which is the definition a reader has in their head.