Most

From BiblePortal Wikipedia

Vine's Expository Dictionary of NT Words [1]

1: Πλείων (Strong'S #4119 — Adjective — pleion — pli'-own, pli'-on, pleh'-on )

the neuter of pleion, "more," is used adverbially and translated "most" (of degree) in  Luke 7:42 (without the article); in   Luke 7:43 (with the article, "the most");   1—Corinthians 10:5 , RV, "most" (AV, "many");  Philippians 1:14 (ditto). See More.

2: Πλεῖστος (Strong'S #4118 — Adjective — pleistos — plice'-tos )

the superlative degree of polus, is used (a) as an adjective in  Matthew 11:20;  21:8 , RV, "(the) most part of" (AV, "a very great"); (b) in the neuter, with the article, adverbially, "at the most,"  1—Corinthians 14:27; (c) as an elative (i.e., intensively) in  Mark 4:1 (in the best mss.; some have polus), "a very great (multitude)."

3: Μάλιστα (Strong'S #3122 — Adverb — malista — mal'-is-tah )

an adverb, the superlative of mala, "very," is translated "most of all" in  Acts 20:38 . See Especially. Note: For combinations in the translations of other words, see Believe , C, Note (4), Excellent , Gladly , High , Straitest.

King James Dictionary [2]

MOST, a. superl. of more.

1. Consisting of the greatest number. That scheme of life is to be preferred, which presents a prospect of the most advantages with the fewest inconveniences.

Most men will proclaim every one his own goodness.  Proverbs 20

2. consisting of the greatest quantity greatest as the most part of the land or the mountain.

MOST, adv. In the greatest or highest degree. Pursue that course of life which will most tend to produce private happiness and public usefulness. Contemplations on the works of God expand the mind and tend to produce most sublime views of his power and wisdom.

As most is used to express the superlative degree, it is used before any adjective as most vile, most wicked, most illustrious.

MOST, n. used as a substitute for a noun, when the noun is omitted or understood.

1. The greatest number or part.

Then he began to upbraid the cities wherein most of his mighty works were done.  Matthew 11

This use seems to have resulted form the omission of part, or some similar word,and most in this case signifies greatest, that is, the greatest part.

2. The most, the greatest value, amount or advantage, or the utmost in extent, degree or effect.

A covetous man makes the most of what he has, and can get.

At the most, the greatest degree or quantity the utmost extent. Stock brings six per cent. interest at the most, often less.

Webster's Dictionary [3]

(1): ( a.) In the greatest or highest degree.

(2): ( a.) Highest in rank; greatest.

(3): ( a.) Greatest in degree; as, he has the most need of it.

(4): ( a.) Consisting of the greatest number or quantity; greater in number or quantity than all the rest; nearly all.

References