Best vs. Optimum — What's the Difference?

Of the most excellent or desirable type or quality

The point at which the condition, degree, or amount of something is the most favorable.

To the highest degree; most (used with verbs suggesting a desirable action or state or a successful outcome)

(Biology) The most favorable condition for growth and reproduction.

That which is the most excellent, outstanding, or desirable

Most favorable or advantageous; best.

Outwit or get the better of (someone)

The best or most favorable condition, or the greatest amount or degree possible under specific sets of comparable circumstances.

Surpassing all others in excellence, achievement, or quality; most excellent

The best or most advantageous; surpassing all others.

Most satisfactory, suitable, or useful; most desirable

Best possible or most desirable; - usually under a restriction expressed or implied; as, an optimum return on capital; optimum concentration of a drug; an optimum result.

Greatest; most

The most favorable condition, greatest degree, or largest amount possible under given circumstances.

Most highly skilled

Most favorable condition or greatest degree or amount possible under given circumstances

In a most excellent way; most creditably or advantageously.

Most desirable possible under a restriction expressed or implied;

To the greatest degree or extent; most

One that surpasses all others.

The best part, moment, or value

The optimum condition or quality

One's nicest or most formal clothing.

The supreme effort one can make

One's warmest wishes or regards

To get the better of; beat

Most; largest.

Most superior; most favorable.

To the most advantage; with the most success, cause, profit, benefit, or propriety.

(uncountable) The supreme effort one can make, or has made.

(uncountable) One's best behavior.

(countable) The person (or persons; or thing or things) that is (are) most excellent.

To surpass in skill or achievement.

(transitive) To beat in a contest.

Had best.

Having good qualities in the highest degree; most good, kind, desirable, suitable, etc.; most excellent; as, the best man; the best road; the best cloth; the best abilities.

Most advanced; most correct or complete; as, the best scholar; the best view of a subject.

Most; largest; as, the best part of a week.

Utmost; highest endeavor or state; most nearly perfect thing, or being, or action; as, to do one's best; to the best of our ability.

In the highest degree; beyond all others.

To the most advantage; with the most success, case, profit, benefit, or propriety.

Most intimately; most thoroughly or correctly; as, what is expedient is best known to himself.

To get the better of.

The supreme effort one can make;

The person who is most outstanding or excellent; someone who tops all others;

Canadian physiologist (born in the United States) who assisted F. G. Banting in research leading to the discovery of insulin (1899-1978)

Get the better of;

(superlative of `good') having the most positive qualities;

(comparative and superlative of `well') wiser or more advantageous and hence advisable;

In a most excellent way or manner;

It would be sensible;

From a position of superiority or authority;