形容詞 most:

1. (superlative of `many' used with count nouns and often preceded by `the') quantifier meaning the greatest in number
2. 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

副詞 most:

1. used to form the superlative
   同義詞：to the highest degree
2. very
3. (of actions or states) slightly short of or not quite accomplished
   同義詞：about, just about, almost, all but, nearly, near, nigh, virtually, well-nigh

1. I go to the shop most every day.
   我差不多每天都去商店。
2. He spoke most bitterly of his experiences in prison.
   他十分痛苦地講述了他在監(jiān)獄中的經(jīng)歷。
3. This is the area that attracts the most attention.
   這是最受關(guān)注的地區(qū)。
4. Most students passed the examination.
   大多數(shù)學(xué)生通過了考試。
5. It was one of the most important discoveries ever made.
   這是所做出的最重大的發(fā)現(xiàn)之一。

most

adj.（形容詞）
many的最高級形式,much

Greatest in number:
數(shù)量上最多的：
例句：
won the most votes.
擁有最多數(shù)的選票

Greatest in amount, extent, or degree:
數(shù)量、范圍或程度上最大的：
例句：
has the most compassion.
最具同情心的

In the greatest number of instances:
在大多數(shù)情形中：
例句：
Most fish have fins.
大多數(shù)魚有鱗

n.（名詞）
The greatest amount or degree:
最大的數(shù)量或程度：
例句：
She has the most to gain.
她可以獲得最多的收益

Slang The greatest, best, or most exciting. Used withthe :
【俚語】 最偉大的、最好的或最令人激動的。與the 連用：
例句：
That party was the most!
那一晚會精彩極了

pron.（代詞）
(used with a sing. or pl. verb)The greatest part or number:
（與單數(shù)或復(fù)數(shù)動詞連用）最多部分或數(shù)量：
例句：
Most of the town was destroyed. Most of the books were missing.
大多數(shù)城鎮(zhèn)被破壞。大多數(shù)書都找不著了

adv.（副詞）
more的最高級形式,much
In or to the highest degree or extent. Used with many adjectives and adverbs to form the superlative degree:
在最高或最大程度、范圍內(nèi)。與許多形容詞和副詞連用構(gòu)成最高級：
例句：
most honest; most impatiently.
最誠實的；最不耐心地

Very:
非常：
例句：
a most impressive piece of writing.
一篇給人印象很深的文章

Informal Almost:
【非正式用語】 幾乎：
例句：
Most everyone agrees.
幾乎人人贊同

<習(xí)慣用語>at (the) most
At the maximum:
達(dá)到最大值：
例句：
We saw him for ten minutes at the most. She ran two miles at most.
我們能見他十分鐘。她最多跑了兩英里

來源：
Middle English
中古英語
from Old English môst, m3st * see mô- 3
源自 古英語 môst, m3st *參見 mô- 3
Adv., sense 3, probably short for almost
副詞釋義3，可能為 almost的簡寫