optimalop·ti·mal /ˈɒptəməlˈɑːp-/ adjectiveadj the best that is possible, or the most suitableSYN optimumAn increased corn crop is expected, based on optimal growing conditions across much of the Corn Belt.
This stock level is considerably higher than the 65-to-70-day range usually regarded as optimal.
→ see also PARETO OPTIMAL