com·plex²/`kɑmplɛks; ˈkɒmpleks/ n [C] 1 a group of buildings or one large building used for a particular purpose 〔为某一目的而建的〕综合建筑: a vast new shopping complex 新的大型综合性商场 2 an emotional problem in which someone is anxious about something 情结: an inferiority complex 自卑情结