Vocabulary Entry

irrational

|adjective • noun

adjective

Not guided by reason; illogical or unreasonable.

Example Sentences

"His irrational fears prevented him from enjoying the trip."

"The decision seemed irrational given the circumstances."

"She dismissed his arguments as completely irrational."

noun

Example Sentences

"The square root of two is an example of an irrational."

"In mathematics, many irrational numbers are known, such as pi."

"The concept of irrationals is fundamental in understanding real numbers."