As adjectives the difference between impending and undefined

is that impending is approaching; drawing near; about to happen while undefined is lacking a definition or value.

As a verb impending

is .

As nouns the difference between liquid and null

is that liquid is liquid while null is zero, nil; the cardinal number before einn.

As an adjective liquid

is liquid.

As nouns the difference between comfortable and continent

is that comfortable is (us) a stuffed or quilted coverlet for a bed; a comforter while continent is an encratite.

As an adjective comfortable

is (lb) comforting, providing comfort; consolatory.

As a proper noun continent is

(obsolete) the old world.

As a noun administration

is administration.

As an adjective false is

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

As verbs the difference between redeem and redefine

is that redeem is to recover ownership of something by buying it back while redefine is to give a new or different definition to a word.

As a noun generosity

is (uncountable) the trait of being willing to donate money and/or time.

As an adjective false is

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

As an interjection new

is mew, meow, miaow.

As a noun login is

(computing) a combination of a user's identification and password used to enter a computer, program, network, etc.

As a verb login is

.

As nouns the difference between dip and api

is that dip is while api is .

As nouns the difference between grandeur and grande

is that grandeur is the state of being grand or splendid; magnificence while grande is grandee.

As adjectives the difference between calm and false

is that calm is (of a person) peaceful, quiet, especially free from anger and anxiety while false is (label) one of two states of a boolean variable; logic.

As a noun calm

is (in a person) the state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.

As a verb calm

is to make calm.