RESERVIST Meaning of RESERVIST in English re ‧ serv ‧ ist /rɪˈzɜːvəst, rɪˈzɜːvɪst $ -ɜːr-/ BrE AmE noun [countable] someone in the ↑ reserve Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012