Not rational; unfounded or nonsensical.
Of a real number, that cannot be written as the ratio of two integers.
A real number that can not be expressed as the quotient of two integers, an irrational number.
Shrewd or showing clever awareness; discerning.
The ability to know something without being taught.
Suggestive of private knowledge or understanding.
Possessing knowledge or understanding; knowledgeable, intelligent.
Deliberate, wilful.
Demonstrating knowledge of what is in fashion; stylish, chic.
Given my knowledge about someone or something.
The act or condition of having knowledge.