list of opposites and negatives from prefixes?

Answer 1

Negative prefixes:

Dis- “apart, reversal, lacking” displace

In- “negative” incredible, illegible

Non- “not” nonsense

Ob- “ inverse, in the opposite directions” object

Se-, sed- “apart” seduce, seperate

Un- “not, opposite” uneven

Opposite prefixes: counter or contra, as well as dis and un.



http://www.iee.et.tu-dresden.de/~wernerr/grammar/prefixes_eng.html

http://www.englishforums.com/English/PrefixesNegativePrefixes/wvkl/Post.htm

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Answer 2

but watch out for Inflammable, b/c it also means flammable!