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Synonyms for crack up
verb break down mentallyAntonyms for crack up
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
collapse
verb. fall apart, break down
collapsing
verb. fall apart, break down
crash
verb. break into pieces
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.