mandatory - must-do, required by law, obligatory, compulsory, unavoidable, necessary⏎
inoperative - invalid, unusable, powerless, not working⏎
fixed - set, unchanging, habitual⏎
gimmick - trick, novelty, contrivance⏎
loom - threaten, impend⏎
instruction - information, command⏎
expire - end, finish, elapse⏎
lateral - sideways thinking, different perspective⏎
influence - motivate, modify, bias, authority⏎
factor - quality, feature, component, cause, influence⏎