Synonyms of required

required 1 of 2

adjective

ri-ˈkwī(-ə)rd 

1

as in mandatory

forcing one's compliance or participation by or as if by law

formal instruction in driving is required in this state before you can get your driver's license

Synonyms & Similar Words

• mandatory
• necessary
• compulsory
• incumbent
• needed
• urgent
• obligatory
• imperative
• forced
• essential
• requisite
• involuntary
• demanded
• indispensable
• enforced
• nonelective
• all-important
• persistent
• peremptory
• insistent
• pressing
• coercive

Antonyms & Near Antonyms

• optional
• voluntary
• elective
• discretionary
• unnecessary
• chosen
• unwanted
• unimportant
• insignificant
• unneeded
• dispensable
• inconsequential
• nonessential

2

as in necessary

impossible to do without

with these frigid winds, hats, scarves, and good mittens are required equipment for heading outside

Synonyms & Similar Words

• necessary
• needed
• essential
• integral
• needful
• vital
• imperative
• critical
• requisite
• crucial
• important
• must-have
• indispensable
• mandatory
• compulsory
• all-important
• of the essence
• prerequisite
• basic
• key
• necessitous
• major
• obligatory
• fundamental
• urgent
• meaningful
• substantial
• significant
• organic
• momentous
• central
• persistent
• pressing
• insistent
• consequential
• nonelective
• material
• weighty

Antonyms & Near Antonyms

• unnecessary
• needless
• nonessential
• unwanted
• extra
• undesired
• dispensable
• unneeded
• excess
• unimportant
• external
• insignificant
• superfluous
• unessential
• inessential
• surplus
• extraneous
• inconsequential

required

2 of 2

verb

past tense of require

as in needed

to have as a requirement

the toy requires four batteries, which are not included

Synonyms & Similar Words

• needed
• wanted
• took
• involved
• demanded
• necessitated
• challenged
• claimed
• warranted
• called for
• bore
• entailed
• asked
• begged
• lacked
• insisted
• stipulated
• cried (for)
• hurt (for)
• enjoined
• clamored (for)
• exacted
• commanded
• pressed
• quested

Antonyms & Near Antonyms

• had
• held
• owned
• possessed

Example Sentences

Recent Examples of required

Adjective

Auriga can, for example, alter launch velocity depending on the mass of the projectile, the required range and the type of target being engaged. — Christopher McFadden, Interesting Engineering, 21 Aug. 2026

The court declined to hear the application on technical grounds, asking authorities to complete the required paperwork. — ABC News, 20 Aug. 2026

Verb

For Calvin, the changes would have required her airline to answer her within 30 days. — Christopher Elliott, Forbes.com, 22 Aug. 2026

Specialised cleaning agents imported from Western suppliers are also reportedly required for some engine-maintenance operations. — Atharva Gosavi, Interesting Engineering, 22 Aug. 2026