Definitions

unscrupulous

[uhn-skroo-pyuh-luhs] / ʌnˈskru pyə ləs /

ADJECTIVE

immoral

Synonyms

STRONGEST

corrupt crafty crooked deceitful dishonest illegal petty ruthless selfish shady shameless underhanded unethical venal

WEAK

arrant base casuistic conscienceless degraded degrading disgraceful dishonorable down and dirty exploitative improper low-down mercenary perfidious questionable recreant scandalous scheming self-seeking shifty sinister slippery sly two-faced unconscientious unconscionable underhand unfair unprincipled unworthy wicked wrongful

Antonyms

STRONGEST

aboveboard decent ethical fair frank good honest honorable kind lawful moral open principled right trustworthy truthful upright

WEAK

scrupulous

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.

The Chartered Trading Standards Institute said that while the mis-selling or misdescription of fish was not a widespread issue it acknowledged "there are still some unscrupulous businesses".

From BBC • Apr. 30, 2026

Dentists’ reputations for being maverick investors have made them targets for unscrupulous actors.

From The Wall Street Journal • Mar. 26, 2026

I do not want my brother to be taken advantage of by an unscrupulous attorney who might promise to help him qualify for Medicaid.

From MarketWatch • Mar. 26, 2026

He said he had become concerned about the potential for a dying person to be coerced by "unscrupulous relatives, or 'trusted' medical or legal professionals" into ending their life prematurely.

From BBC • Mar. 16, 2026

Any adversary who is unscrupulous enough to give the least charitable reading to an unhedged statement will find an opening to attack the writer in a thicket of hedged ones anyway.

From "The Sense of Style" by Steven Pinker

Vocabulary lists containing unscrupulous

The Catcher in the Rye

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Power Prefix: un-

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Grade 10, List 6

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!