ex·ist 
/ɪgˈzɪst/ verb
ex·ists; ex·ist·ed; ex·ist·ing /ɪgˈzɪst/ verb [no obj] 1 : to have actual being : to be real
▪ She believes that ghosts really do exist. ▪ It's the largest galaxy known to exist. ▪ Does life exist on Mars? ▪ The Internet didn't exist then. ▪ Those ideas only exist in your mind. [=they are only in your mind] ▪ We shouldn't ignore the problems that exist in our own community. 2 : to continue to be or to live
▪ as long as doubt exists [=persists] ▪ Racism still exists in our society. ▪ The organization may soon cease to exist if more funding isn't provided. ▪ We cannot exist [=live] without oxygen. ▪ They exist [=survive, subsist] on a diet of fruit, nuts, and leaves.
▪ She believes that ghosts really do exist. ▪ It's the largest galaxy known to exist. ▪ Does life exist on Mars? ▪ The Internet didn't exist then. ▪ Those ideas only exist in your mind. [=they are only in your mind] ▪ We shouldn't ignore the problems that exist in our own community.
▪ as long as doubt exists [=persists] ▪ Racism still exists in our society. ▪ The organization may soon cease to exist if more funding isn't provided. ▪ We cannot exist [=live] without oxygen. ▪ They exist [=survive, subsist] on a diet of fruit, nuts, and leaves.
— existing adjective
▪ ignore existing problems ▪ making changes to the existing structure [=the structure that is there now]
▪ ignore existing problems ▪ making changes to the existing structure [=the structure that is there now]
