Example Sentences
"Pi (π) and the square root of 2 are irrational numbers."
"Irrational numbers go on forever without repeating a pattern."
Synonyms & Related Terms
Quick Check
Which best describes the meaning of irrational number?
Study Tips
To remember irrational number, try writing it in a sentence of your own. Connect it to something you already know about mathematics.
Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.