antagonistic

/ænˌtæɡəˈnɪstɪk/

Say it: an-tag-uh-NIS-tik

1. adjective Showing or feeling active opposition or hostility toward someone or something.
His antagonistic remarks during the debate only served to alienate potential voters.
2. adjective Acting in opposition to another; mutually opposing, especially in a biological or chemical context.
The bicep and tricep are antagonistic muscles that work against each other to move the arm.

📖 Seen in the wild

The two rival teams displayed an antagonistic attitude towards each other both on and off the field.
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✏️ antagonistic in a sentence

The two political parties have a deeply antagonistic relationship that prevents any meaningful legislation from passing.
I don't understand why she's so antagonistic towards every new idea I propose.
In the story, the protagonist must overcome several antagonistic forces, including a harsh landscape and a rival explorer.
The two chemicals have an antagonistic effect, with one completely neutralizing the other.
Their initial interactions were antagonistic, but they eventually developed a grudging respect for each other.
He adopted an antagonistic posture, crossing his arms and refusing to make eye contact.

🔁 Synonyms & antonyms

hostile adversarial opposed inimical combative contrary unfriendly

hostile · implies open enmity and a readiness to be aggressive.

adversarial · suggests a relationship defined by conflict, often in a formal context like law or politics.

opposed · a more general term indicating disagreement, without the necessary implication of active hostility.

inimical · a formal word suggesting something is harmful, obstructive, or unfriendly by its very nature.

Opposites: friendly, supportive, amicable, cooperative, sympathetic

🌱 Where it comes from

The word traces back to the Greek 'antagonistes', meaning a competitor or rival. This came from 'antagonizesthai', 'to struggle against', which itself is a combination of 'anti-', meaning 'against', and 'agon', a contest or struggle for a prize. The word's meaning evolved from a direct competitor in a contest to any source of opposition or hostility.

🧩 How it's used

Common patterns:

antagonistic relationshipantagonistic behaviorantagonistic forcemutually antagonisticantagonistic towards

Antagonistic is a strong word that implies active, deep-seated opposition, not just a simple disagreement. It is more formal than 'unfriendly' but less overtly aggressive than 'hostile'. In technical contexts, especially biology and pharmacology, it loses its negative emotional connotation and simply means 'acting in opposition'.

Word family: antagonist, antagonize, antagonism

💬 Quick answers

What does antagonistic mean?

It means showing active hostility or opposition towards someone or something. The word describes a relationship, behavior, or force characterized by conflict.

What is the difference between antagonistic and hostile?

While similar, 'hostile' often implies overt aggression and a readiness to attack. 'Antagonistic' describes a more fundamental state of opposition or conflict, which may or may not be openly aggressive.

Can a thing be antagonistic?

Yes. While it often describes people, it can also describe forces, substances, or concepts that work against each other, such as 'antagonistic forces' in a story or 'antagonistic effects' in medicine.

What is the verb for antagonistic?

The verb form is 'to antagonize', which means to cause someone to become hostile or to provoke them.

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