Prefix
dis-
Prefix
Meaning
away,
apart,
negative
con- or
com-
with or
together
sub-
under or
below
semi-
partially,
partly, not
completely
ill-
in a way
that is bad
or not
suitable
not
ilanti-
against or
opposite
Word / Definition
1. disillusion(n.) – disappointment from the discovery that
something is not as good as one believed it to be.
2. discombobulate(v.) – cause to be confused
3. disenfranchise(v.) – to deprive a person of a right of
citizenship
1. conclave (n.) – a confidential or secret meeting
2. converge (v.) – come together at a common point
3. combustible (adj.) – able to catch fire and burn easily
1. subdue (v.) – overcome or bring under control
2. subliminal (adj.) – below the threshold of conscientious
thought.
3. subordinate (n.) – a person who is under another in
rank or status.
1. semitransparent (adj.) – partially allowing light to pass
through.
2. semiaquatic (adj.) – living partly on land and partly on
water.
3. semiconductor (n.) – a solid substance that has a
conductivity between that of an insulator and most
metals.
1. ill-conceived (adj.) – not carefully planned or considered
2. ill-advised (adj.) – unwise or imprudent
1. illegible (adj.) – not clear enough to be read.
2. Illiterate (adj.) – unable to read or write
1. antitoxin (n.) – a substance formed in the body that
counteracts a specific toxin (poison)
2. antiseptic (adj.) – preventing the growth of diseasecausing microorganisms.
in-
ex-
not,
opposite
of,
without
out or up
1. inconvenient (adj.) – not easily accessible or at hand
2. incomprehensible (adj.) – impossible to understand
1. extract (v.) – remove or take out especially by force.
2. exterminate (v.) – destroy or kill completely