the GNU version of the Collaborative International Dictionary of English
adj. Too hasty; precipitate; rash.
The Century Dictionary and Cyclopedia
Too hasty; rash; precipitate.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. done with very great haste and without due deliberation
Word Usage
"It said Foreign Affairs clearly did not understand the consequences of South Africa's "overhasty" action in severing diplomatic ties with the Republic of China (Taiwan)."