from nltk.corpus import wordnet as wn
for i in wn.all_synsets():
if i.pos() in ['a', 's']: # If synset is adj or satelite-adj.
for j in i.lemmas(): # Iterating through lemmas for each synset.
if j.antonyms(): # If adj has antonym.
# Prints the adj-antonym pair.
print j.name(), j.antonyms()[0].name()
请注意，将有反向重复项。
[出]：
able unable
unable able
abaxial adaxial
adaxial abaxial
acroscopic basiscopic
basiscopic acroscopic
abducent adducent
adducent abducent
nascent dying
dying nascent
abridged unabridged
unabridged abridged
absolute relative
relative absolute
absorbent nonabsorbent
nonabsorbent absorbent
adsorbent nonadsorbent
nonadsorbent adsorbent
absorbable adsorbable
adsorbable absorbable
abstemIoUs gluttonous
gluttonous abstemIoUs
abstract concrete
...
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