Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Fratricidal \Frat"ri*ci`dal\, a. Of or pertaining to fratricide; of the nature of fratricide.
Douglas Harper's Etymology Dictionary
1804, from fratricide + -al (1).
Wiktionary
a. Of or pertaining to fratricide
Usage examples of "fratricidal".
But their wants soon reduced them to stock-raiding and other predatory practices, with the result that in the end the whole countryside made common cause against them, and so the last phase of the fratricidal struggle deteriorated into a man hunt away in the backblocks north of Perth and the southern districts, full of heroic incidents, but devoid of historical interest except as far as serving, by reason of its sordidness and cruelty, to extinguish thoroughly any lingering sympathy which the coastal population might still cherish for the lost cause of Western Australia.
But the Blowup lasted for a long time-time itself was used as a variable once during the homicidal, suicidal, fratricidal struggle-and there were no records.