of old school (adjective) behind the times: not current
Sinonime: alter, backtrack, capsize, change,
convert, double back, evert,
flip, flip-flop,
introvert, inverse,
modify, overturn,
renege,
revert,
tip, transplace, transpose,
turn, turn down, turn inside out, turn over, turn the tables, upend,
upset, upturn