This prefix from Unit 1 means across or through, and is found in the word used to name the distance across a circle.
What is dia-?
These two short, related prefixes mean against.
What are ant- and anti-?
This prefix means before; It's used in this clue.
What is pre-?
This prefix means below or under.
What is sub-?
This massive family of prefixes (a-, an-, il-, ir-, im-, in-, non-) all share this same primary meaning.
What is not?
This prefix from Unit 5 means down or away from. It can be used with words like value or construct.
What is de-?
This prefix means against or opposite, used when you speak against someone else's point in an argument.
What is contra-?
This prefix means after, often used in opposition to pre-.
What is post-?
This prefix means above, beyond, or over; You're doing great!
What is super-?
These two variations from Unit 7 mean in or into, differ by only one letter.
What are en- and em-?
This prefix means between or among, found in a word that defines the time between acts of a play.
What is inter-?
This prefix means against, in the way, or facing, found in words for things that may get in the way of accomplishing a goal.
What is ob-?
This prefix means forwards, found in a word that starts the phrase "-blank- with caution".
What is pro-?
This prefix means above or over, found in the word given to the extra things you may have left over.
What is sur-?
These prefixes from Unit 9 mean out of or outside.
What are ex- and extra- (also e-, ec-, ef-, exter-)?
From Unit 1, this prefix means through, as seen in a word for making a liquid pass through a filter or lasting through the years.
What is per-?
This prefix means against or opposite, like going around the clock in the wrong way.
What is counter-?
This prefix means backwards; and can be used on it's own to describe something from the past.
What is retro-?
This prefix means above, over, or excessive; can be used on it's own when the word for 'excessive energy' is abbreviated.
What is hyper-?
These twin prefixes mean inside or within.
What are intro- and intra-?
This prefix from Unit 5 means down or against, found in a word you may use if this game goes horribly wrong.
What is cata-?
Literally meaning "to look against," this vocabulary word uses an Unit 2 prefix to mean an opinion or resistance formed against someone before knowing them.
What is a prejudice? (Note: Alternatively, objection, using ob- meaning to throw against).
These twin prefixes mean before or in front of.
What are ante- and fore-?
If a teacher tells you your writing is superficial, using the prefix super-, they mean it is at this level.
What is on the surface (or shallow/not deep)?
Using the prefix an- (not/without), this word describes a state of lawlessness or a total lack of government control.
What is anarchy?