IPA: /kəʊˈkɛtɪʃli/
KK: /kəˈkwɛtɪʃli/
In a way that is flirtatious or playful, often to attract attention or admiration.
She smiled coquettishly at him, making her intentions clear.
Coquettishly → It is formed from "coquette" (from French, meaning a flirtatious woman) and the suffix "-ishly" (meaning in a manner of). The word "coquettishly" describes behavior that is flirtatious or teasing in nature.
Think of a 'flirtatious woman' ('coquette') acting 'in a manner of' ('-ishly') to remember that 'coquettishly' means behaving in a flirtatious way.