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.

Less-frequent reporting gives unscrupulous managers more opportunity to hide losses.

From MarketWatch • Apr. 27, 2026

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

Imran Hussain, from the Refugee Council charity, said it was "deplorable that unscrupulous advisers are exploiting desperate and vulnerable people for profit and those responsible must be held to account".

From BBC • Apr. 15, 2026

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

From The Wall Street Journal • Mar. 26, 2026

In unscrupulous hands I would be a powerful tool.

From "Ella Enchanted" by Gail Carson Levine

Vocabulary lists containing unscrupulous

The Catcher in the Rye

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Power Prefix: un-

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Grade 10, List 6

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