fast

As an adjective excellent

is of the highest quality; splendid.

As an adverb excellent

is (obsolete) excellently.

As a verb fast is

.

As verbs the difference between fast and embark

is that fast is while embark is to get on a boat or ship or (outside the usa) an aeroplane.

As verbs the difference between fast and study

is that fast is while study is (usually|academic) to revise materials already learned in order to make sure one does not forget them, usually in preparation for an examination.

As a noun study is

(label) a state of mental perplexity or worried thought.

As verbs the difference between fast and rabbit

is that fast is while rabbit is to hunt rabbits or rabbit can be (british|intransitive) to talk incessantly and in a childish manner; to babble annoyingly.

As a noun rabbit is

a mammal of the family leporidae , with long ears, long hind legs and a short, fluffy tail.

As a noun terms

is .

As a verb fast is

.

As a noun year

is the time it takes the earth to complete one revolution of the sun (between 36524 and 36526 days depending on the point of reference).

As a verb fast is

.

As a verb fast

is .

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As verbs the difference between fast and milk

is that fast is while milk is to express milk from (a mammal, especially a cow).

As a noun milk is

(uncountable) a white liquid produced by the mammary glands of female mammals to nourish their young from certain animals, especially cows, it is a common food for humans as a beverage or used to produce various dairy products such as butter, cheese, and yogurt.

As a noun kind

is child (young person).

As a verb fast is

.

As an adjective pacy

is .

As a verb fast is

.