desperate

As a verb dispair

is to separate (a pair).

As an adjective desperate is

being filled with, or in a state of despair; hopeless.

Desperate is a synonym of precipitate.

As adjectives the difference between desperate and precipitate

is that desperate is being filled with, or in a state of despair; hopeless while precipitate is headlong; falling steeply or vertically.

As a verb precipitate is

to make something happen suddenly and quickly; hasten.

As a noun precipitate is

a product resulting from a process, event, or course of action.

As adjectives the difference between desperate and poor

is that desperate is being filled with, or in a state of despair; hopeless while poor is with little or no possessions or money.

As a noun poor is

with "the" Those who have little or no possessions or money, taken as a group.

As adjectives the difference between earnest and desperate

is that earnest is serious in speech or action; eager; urgent; importunate; pressing; instant while desperate is being filled with, or in a state of despair; hopeless.

As a noun earnest

is gravity; serious purpose; earnestness.

As a verb earnest

is to be serious with; use in earnest.

As a proper noun Earnest

is a given name derived from Germanic, an occasional spelling variant of Ernest.

As an adjective desperate

is being filled with, or in a state of despair; hopeless.

As a verb worry is

to seize or shake by the throat, especially of a dog or wolf.

As a noun worry is

a strong feeling of anxiety.

As adjectives the difference between desperate and disappointed

is that desperate is being filled with, or in a state of despair; hopeless while disappointed is defeated of expectation or hope; let down.

As a verb disappointed is

past tense of disappoint.

Desperate is a synonym of irretrievable.

As adjectives the difference between desperate and irretrievable

is that desperate is being filled with, or in a state of despair; hopeless while irretrievable is not retrievable; irrecoverable; irreparable; as, an irretrievable loss.

As adjectives the difference between keen and desperate

is that keen is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense while desperate is being filled with, or in a state of despair; hopeless.

As a verb keen

is to sharpen; to make cold.

As a noun keen

is a prolonged wail for a deceased person.

Desperate is a synonym of irrecoverable.

As adjectives the difference between desperate and irrecoverable

is that desperate is being filled with, or in a state of despair; hopeless while irrecoverable is not recoverable or admitting of recovery; incapable of being recovered: as, an irrecoverable debt.

Urgent is a related term of desperate.

As adjectives the difference between urgent and desperate

is that urgent is requiring immediate attention while desperate is being filled with, or in a state of despair; hopeless.