optimum, best, ideal, suboptimal, optimize, nonoptimal, suboptimum, maximal, maximizing, suitable, more...

suboptimal, inferior, poor, inadequate, deficient

near, sub, pareto, global, non, cost, time, neighboring, local, user, quasi

best possible,   most effective,   the best way,   best interest,   most appropriate,   most suitable,   best option,   best choice,   most efficient,   best way possible