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Definitions

unapproved

ADJECTIVE
unauthorized
Synonyms
STRONGEST
illegal illegitimate pirated unconstitutional unjustified unlawful unofficial unwarranted wrongful
WEAK
crooked dirty no-no off base out of bounds out of line over the line shady under-the-table unsanctioned wildcat
Antonyms
STRONGEST
authorized ethical good justifiable lawful legal legitimate moral reasonable right warranted
WEAK
allowable official permitted

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Others said the idea that Americans would be safer getting unapproved peptides from compounders doesn’t make sense.

From The Wall Street Journal • Mar. 22, 2026

Novo Nordisk sued Hims for allegedly selling unapproved, compounded weight-loss drugs that infringe patents.

From Barron's • Feb. 19, 2026

Paramount’s cease and desist letter was reviewed by The Times and makes similar assertions about ByteDance’s unapproved use of copyrighted material.

From Los Angeles Times • Feb. 18, 2026

It can include diluting or substituting ingredients, altering documents, or going through unapproved processes.

From BBC • Feb. 9, 2026

We really have some very sober plans, not unapproved by Mrs. Lessingham.

From The Emancipated by Gissing, George