IQFreq.FrequencyTop 20,000Meanings1nounIQ; intelligence quotientStandard term for intelligence quotient; used in educational, psychological, and everyday contexts.See also: 知能指数彼かれのIQはとても高たかいらしい。His IQ is said to be very high.IQテストを受うけたことがありますか。Have you ever taken an IQ test?