Dictionary.com
Thesaurus.com
Synonyms

controversial

American  
[kon-truh-vur-shuhl] / ˌkɒn trəˈvɜr ʃəl /

adjective

  1. of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical.

    a controversial book.

  2. subject to controversy; debatable.

    a controversial decision.

    Synonyms:
    questionable, arguable
  3. given to controversy; argumentative; disputatious.

    a controversial public figure.


Usage

What does controversial mean? Controversial is used to describe someone or something that causes people to get upset and argue. Controversial is the adjective form of the noun controversy, which is a prolonged dispute, debate, or state of contention, especially one that unfolds in public and involves a stark difference of opinion. Things commonly called controversial include topics, actions, and people (particularly for what they say and do). Example: Questions about the candidate’s controversial remarks from the past prevented him from talking about his campaign.

Other Word Forms

Derived Forms

Etymology

Origin of controversial

First recorded in 1575–85; from Late Latin contrōversiālis; equivalent to controversy + -al 1

Explanation

If a politician ran for office on the platform that children should be put to work from age six, his platform is likely to be controversial, meaning it will cause controversy, or a long discussion among people with opposing opinions. Controversies are usually public disagreements about important matters. The adjective controversial is from the Latin from controversus "disputed," formed from the prefix contra- "against" plus versus, from vertere "to turn." The Latin suffix –ialis, corresponding to the English suffixes –ial and –al, means "relating to or characterized by."

Keep Reading on Vocabulary.com

Vocabulary lists containing controversial

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.

Lithgow won best performance by an actor in a leading role in a play for his portrayal of the controversial, beloved British author Roald Dahl in Mark Rosenblatt’s poignant drama “Giant,” directed by Nicholas Hytner.

From Los Angeles Times • Jun. 8, 2026

In this case, Rossetti is a less controversial figure; he posts mainly about demons, not politics.

From Slate • Jun. 8, 2026

The system is controversial, with critics warning that early streaming can disadvantage some children and be detrimental to a young person's self-esteem.

From BBC • Jun. 7, 2026

Cloning is a controversial practice, but particularly so in horse sports.

From The Wall Street Journal • Jun. 6, 2026

“For me, and I know this is going to be a controversial pick...Brian Scalabrine.”

From "Here to Stay" by Sara Farizan

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "controversial" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com