hack

As a noun hack

is hedge.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between tip and hack

is that tip is type while hack is hedge.

As a noun hack

is hedge.

As a verb badge is

.

As a noun hack

is hedge.

As a noun hack

is hedge.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun hack

is hedge.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between hack and loyalist

is that hack is hedge while loyalist is a person who is loyal to a cause, generally used as a political affiliation.

In transitive terms the difference between hack and nick

is that hack is to chop or cut down in a rough manner while nick is to mar; to deface; to make ragged, as by cutting nicks or notches in.

In obsolete terms the difference between hack and nick

is that hack is to live the life of a drudge or hack while nick is to nickname; to style.

As a proper noun Nick is

a diminutive of the male given name Nicholas.

In transitive terms the difference between hack and null

is that hack is to chop or cut down in a rough manner while null is to nullify; to annul.

In computing terms the difference between hack and null

is that hack is an expedient, temporary solution, meant to be replaced with a more elegant solution at a later date while null is the attribute of an entity that has no valid value.

As an adjective null is

having no validity, "null and void.