vet·er·an 
/ˈvɛtərən/ noun
plural vet·er·ans /ˈvɛtərən/ noun [count] 1 : someone who fought in a war as a soldier, sailor, etc.
▪ a Navy veteran —called also (US, informal) vet 2 : someone who has a lot of experience in a particular activity, job, etc.
▪ a veteran of the political scene ▪ a teaching veteran ▪ He's a 10-year veteran with/of the team.
▪ a Navy veteran —called also (US, informal) vet
▪ a veteran of the political scene ▪ a teaching veteran ▪ He's a 10-year veteran with/of the team.
— veteran adjective
▪ a veteran politician ▪ veteran police officers
▪ a veteran politician ▪ veteran police officers
