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Words Starting with "Anti"

Based on the definitions, can you guess these words that start with the prefix "anti"?
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Quizmaster
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Last updated: April 3, 2026
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First submittedNovember 8, 2011
Times taken32,086
Average score60.0%
Rating4.20
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Definition
Word
Poison remedy
Antidote
Opposed to monopolies
Antitrust
False messiah of the end times
Antichrist
Hostile towards other people
Antisocial
Substance that prevents sweating
Antiperspirant
Hatred
Antipathy
Substance that kills bacteria
Antibiotic
Immune system protein that
neutralizes bacteria and viruses
Antibody
Harmful molecule which can
bind to the above
Antigen
Unrecognized claimant to be the
leader of the Catholic Church
Antipope
Definition
Word
Flawed protagonist
Antihero
The 51st element, symbol Sb
Antimony
Car radiator fluid
Antifreeze
Italian appetizer
Antipasto
Enemy of free radicals
Antioxidant
Quinine, for example
Antimalarial
Antiprotons, positrons, etc...
Antimatter
Allergy medication
Antihistamine
Place at the exact opposite
spot on the globe
Antipode
Movement that is opposed to
the effort to remove the official
status of a state church
Antidisestablish
mentarianism
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28 Comments
bioticbootyshaker
+1
Level 47
Nov 8, 2011
Tough!
Foulfortune
+2
Level 28
Nov 8, 2011
13/20, got antipathy but missed antipasto lol
Walacama
+2
Level 83
Jan 22, 2019
Antipasto doesn't belong on this quiz.
PoetsCorner
+12
Level 87
Jan 3, 2022
Only because it belongs in my tummy.
RondoNo2
+2
Level 51
Apr 4, 2026
Walacama: how not? The only qualification is that it begins with 'Anti'. I am sure that even the greatest nitpicker couldn't argue that 'Antipasto' fails on that count.

Or are you just being perverse for a laugh? Ha bleedin' ha.

mariofan367
+3
Level 14
Nov 8, 2011
Haven't heard of half of these...
aliberti68
+1
Level 53
Aug 27, 2012
16/20 Good quiz
DorkmeisterBlu
+2
Level 75
Nov 29, 2013
Didn't know Antimalarial was even a word...
drayen
+3
Level 72
Jul 30, 2014
I was concerned that the maker of this quiz was looking for antivenom for poison remedy. I was happy to be proven wrong, but it did accept antivenon for the actual answer. An anitvenom is for venoms and not for poisons.
ander217
+2
Level 74
Jul 30, 2014
I always thought the word was "antivenin" so I googled it. It seems that when I was in school the word was antivenin, but in 1981 the WHO decided it made more sense to use the more popular English form of the word and officially changed it to "antivenom" in their publications. Apparently that changed it for all the English-speaking world.

I love how our language continually adapts to popular usage, but it sometimes make it hard for us oldsters to keep up.

cyninoregon
+1
Level 35
Jun 3, 2017
Antivenom is for poisonous venoms in snakes and spiders. Not all poisonous things even have antidotes, so these animals probably make up a large percentage of poisonous substances with antidotes.
samiamco
+1
Level 68
Sep 5, 2018
It's because sometimes our fearless leader Quizmaster is just way too generous. I think he's an old softie and shouldn't let us get away with so much!
Alexquiz17
+2
Level 94
Apr 4, 2026
Nah. Venom simply means a poison that can be invenomated into a victim, by a bite or sting for example.
partdavid
+5
Level 74
Aug 1, 2014
If quinine is the only example, might I make the suggestion you also accept "antipyretic"? After quinine proved effective against malarial fever, it was used to reduce fevers of all kinds (with varying effectiveness), which is what an antipyretic does:

http://en.wikipedia.org/wiki/Antipyretic#Medications

Great quiz!

blizzrd33
+9
Level 81
Jan 13, 2022
If ever there was a quiz that deserved to include antidisestablishmentarianism, it is this one!
Newroadgirl
+1
Level 69
Jan 24, 2022
That made me smile. My mum taught me that word when I was very young (she liked playing with words, though I never quite grasped Llanfairllanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch) and I've been dying to use it ever since.
kogatora
+1
Level 96
Feb 12, 2022
indeed, hippopotomonstrosesquipedalianism is most felicitous
Quizmaster
+3
Level ∞
Apr 3, 2026
Added!
InterAlia
+3
Level 83
Jun 9, 2025
Antiquity would have added some variety. Not sure 'anti-' qualifies as a prefix in this case though.
mschiesser
+1
Level 95
Apr 4, 2026
Hatred = Antimosity?
Alexquiz17
+3
Level 94
Apr 4, 2026
It’s animosity
redsplat
+1
Level 72
Apr 4, 2026
Excellent quiz, challenging and enjoyable! However I think the clue 'hostile towards other people' is imprecise and misleading (antiprecise and antileading?). It's complicated to be fair, as it is both a condition with formal clinical definitions that have changed over time, as well as a stance with philosophical/political connotations...but I don't think 'hostility' adequately captures any usages. Perhaps something like 'avoidant of other people', or 'avoids the company of others' is more on point and sufficiently general.
Quizmaster
+2
Level ∞
Apr 4, 2026
A brief history of "antisocial" as it appears on this quiz.

Version 1: Similar to what's there now. People complained.

Version 2: We listened to the complaints and changed the clue. Even more people complained.

Version 3. Back to version 1.

The current version is accurate. Antisocial does mean simply avoidant of other people. Our attempt to cater to this belief in the past led to accurate criticisms that have been addressed.

https://en.wiktionary.org/wiki/antisocial

DarthKnight
+1
Level 92
Apr 4, 2026
That last one is my brother's favorite word (I'm not joking).
phalocrocorax
+1
Level 84
Apr 4, 2026
Antiseptic also fits for "substance that kills bacteria".
Djilas
+1
Level 86
Apr 5, 2026
It's accepted
barmanitan
+1
Level 84
Apr 5, 2026
Accept antipody?
loganite
+1
Level 93
Apr 9, 2026
I wanted the molecule that bonds to an antibody to be an antiantibody! ;)
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