FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

riyb reeb — or ruwb {roob}; a primitive root; properly, to toss, i.e. grapple; mostly figuratively, to wrangle, i.e. hold a controversy; (by implication) to defend:--adversary, chide, complain, contend, debate, X ever, X lay wait, plead, rebuke, strive, X thoroughly.