derangement
/dɪˈɹeɪnd͡ʒmənt/ noun
Forms derangements
- noun The property of being deranged.
- noun An act or instance of deranging.
- noun (mathematics, combinatorics) A permutation of a set such that no element is in its previous position.
Synonyms
Etymology
Borrowed from French dérangement, equivalent to derange + -ment.
Webster’s 1913
- noun The act of deranging or putting out of order, or the state of being deranged; disarrangement; disorder; confusion; especially, mental disorder; insanity.
Etymology [Cf. F. dérangement.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “derangement”, CC BY-SA 4.0. Details