Princeton's WordNet
hasty, overhasty, precipitate, precipitant, precipitous(adj)
done with very great haste and without due deliberation
Synonyms:
precipitous, overhasty, headlong, abrupt, sharp, hasty, precipitate, precipitantAntonyms:
unhurried
PPDB, the paraphrase database
List of paraphrases:
hasty, precipitate, over-hasty, precipitous, hurried
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