a term of reproach derived from the Chaldee reka, worthless. ("Raca denotes a certain looseness of life and manners, while 'fool,' in the same passage, means a downright wicked and reprobate person.") (Matthew 5:22)
·adj A term of reproach used by the Jews of our Savior's time, meaning "worthless.". ...
Webster's Dictionary of the English Language
worthless; good-for-nothing ...
Hitchcock's Bible Names Dictionary
Vain, empty, worthless, only found in Matt. 5:22. The Jews used it as a word of contempt. It is deri...
Easton's Bible Dictionary