needed

As a verb needed

is (need).

As an adjective needed

is necessary; being needed.

As a noun duration is

an amount of time or a particular time interval.

As verbs the difference between needed and long

is that needed is past tense of need while long is to take a long position in.

As adjectives the difference between needed and long

is that needed is necessary; being needed while long is having much distance from one terminating point on an object or an area to another terminating point usually applies to horizontal dimensions; see Usage Notes below.

As an adverb long is

over a great distance in space.

As a noun long is

a long vowel.

As a proper noun Long is

{{surname|from=nicknames}} Originally a nickname for a tall man.

As adjectives the difference between needy and needed

is that needy is in need, poor while needed is necessary; being needed.

As a verb needed is

past tense of need.

As adjectives the difference between needed and important

is that needed is necessary; being needed while important is having relevant and crucial value.

As a verb needed

is past tense of need.

As verbs the difference between warranted and needed

is that warranted is past tense of warrant while needed is past tense of need.

As adjectives the difference between warranted and needed

is that warranted is authorized with a warrant while needed is necessary; being needed.

As a verb needed is

(need).

As an adjective needed is

necessary; being needed.

As verbs the difference between require and needed

is that require is to ask (someone) for something; to request while needed is past tense of need.

As an adjective needed is

necessary; being needed.

Needed is a related term of insistent.

As adjectives the difference between needed and insistent

is that needed is necessary; being needed while insistent is (obsolete) standing or resting on something.

As a verb needed

is (need).