глупый

Etymology
. Cognate with 🇨🇬, 🇨🇬/, 🇨🇬, 🇨🇬. Non-Slavic cognates include Old Norse (compare Icelandic ). According to Erich Berneker and Uhlenbeck the Slavic words were borrowed from a source, which is contested by Vasmer.

Adjective

 * 1) silly, stupid, foolish
 * 2) inane, irrational, unreasonable
 * 1) inane, irrational, unreasonable
 * 1) inane, irrational, unreasonable

Noun

 * 1) blockhead, dolt, numskull