1. chastise Strike is the word for a single blow; to beat is to strike repeatedly, as a bird beats the air with its wings. Others of the above words describe the manner of beating, as bastinado, to Synonyms: beat, bastinado, chastise, overcome, spank, thrash, batter, conquer, pommel, strike, vanquish, belabor, cudgel, pound, surpass, whip, bruise, defeat, scourge, switch, worst, castigate, flog, smite Antonyms: fail, fall, get the worst of, go down, go under, surrender