... ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––85. overwhelm86. owe O 342 0 TOEIC Vocabulary Words 144 PHOTOCOPIABLE © www.english-test.net overwhelm v. to defeat; to master; to crush; to stagger; ... ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––35. operation36. operational O 342 0 TOEIC Vocabulary Words 141 PHOTOCOPIABLE © www.english-test.net operation n. working, performance, handling; venture, undertaking; ... ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––51. origin52. original O 342 0 TOEIC Vocabulary Words 142 PHOTOCOPIABLE © www.english-test.net origin n. source; beginning; birth; parentage; nationality...