Highest vs. Most

Highestadjective

approaching or constituting a maximum;

Highestadjective

highest and most significant;

Mostdeterminer

.

Mostdeterminer

: the comparatively largest number of (construed with the definite article)

Mostdeterminer

: the majority of; more than half of (construed without the definite article)

Mostadverb

Forms the superlative of many adjectives.

Mostadverb

To a great extent or degree; highly; very.

Mostadverb

Almost.

Mostpronoun

The greater part of a group, especially a group of people.

Mostnoun

(uncountable) The greatest amount.

Mostnoun

The greater part.

Mostnoun

(countable) A record-setting amount.

Mostadjective

Consisting of the greatest number or quantity; greater in number or quantity than all the rest; nearly all.

Mostadjective

Greatest in degree; as, he has the most need of it.

Mostadjective

Highest in rank; greatest.

Mostadverb

In the greatest or highest degree.

Mostadjective

(superlative of `many' used with count nouns and often preceded by `the') quantifier meaning the greatest in number;

Mostadjective

the superlative of `much' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning the greatest in amount or extent or degree;

Mostadverb

used to form the superlative;

Mostadverb

very;

Mostadverb

(of actions or states) slightly short of or not quite accomplished; `near' is sometimes used informally for `nearly' and `most' is sometimes used informally for `almost';