1flirt 
/ˈflɚt/ verb
flirts; flirt·ed; flirt·ing /ˈflɚt/ verb [no obj] 1 : to behave in a way that shows a sexual attraction for someone but is not meant to be taken seriously
▪ He likes to flirt. ▪ They were flirting all night. — usually + with ▪ He flirts with every attractive woman he meets. ▪ He was flirting with her. ▪ They were flirting with each other. 2 : to think about something or become involved in something in a way that is usually not very serious — + with ▪ She's been flirting [=toying] with the idea of going back to school. ▪ He flirted with communism when he was young. 3 : to come close to reaching or experiencing something — + with ▪ The temperature flirted with [=approached] 100 yesterday. ▪ They were flirting with [=risking] death/disaster. ▪ The company has been flirting with bankruptcy. [=the company has been close to going bankrupt]
▪ He likes to flirt. ▪ They were flirting all night. — usually + with ▪ He flirts with every attractive woman he meets. ▪ He was flirting with her. ▪ They were flirting with each other.
— flir·ta·tion /ˌflɚˈteɪʃən/ noun, plural flir·ta·tions [count]
▪ They had a brief flirtation. — often + with ▪ He had a casual flirtation with her. ▪ his youthful flirtation with communism
/ˌflɚˈteɪʃən/ noun, plural flir·ta·tions [count] ▪ They had a brief flirtation. — often + with ▪ He had a casual flirtation with her. ▪ his youthful flirtation with communism
