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.

Green Party leader Zack Polanski said: "It's disgusting to see these unscrupulous law firms taking advantage of people like this or taking advantage of a system like this."

From BBC • Apr. 15, 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

Some unscrupulous businesses are seeing it as an opportunity.

From The Wall Street Journal • Mar. 20, 2026

In fact, it was quickly abused by hundreds of unscrupulous operators who found they could set up ghost dealerships and then, for a fee, fiddle with the registry.

From BBC • Mar. 12, 2026

One agent complained that “information contained in reports immediately gets into the possession of unauthorized and unscrupulous persons.”

From "Killers of the Flower Moon" by David Grann

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!