Synonyms Word Origin verb (used without object), con·spired, con·spir·ing. to agree together, especially secretly, to do something wrong, evil, or illegal: They conspired to kill the king. to act or work together toward the same result or goal. verb (used with object), con·spired, con·spir·ing. to plot (something wrong, evil, or illegal). Origin of conspire 1325–75; Middle English
to act in harmony, conspire, equivalent to
to breathe; see
spirit Related forms con·spir·er, noun con·spir·ing·ly, adverb non·con·spir·ing, adjective pre·con·spire, verb, pre·con·spired, pre·con·spir·ing. un·con·spired, adjective un·con·spir·ing, adjective un·con·spir·ing·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for conspirer verb (when intr, ) sometimes foll by against to plan or agree on (a crime or harmful act) together in secret (intr) to act together towards some end as if by design the elements conspired to spoil our picnic Derived Forms conspirer, noun conspiringly, adverb Word Origin for conspire
C14: from Old French
conspirer, from Latin conspīrāre to plot together, literally: to breathe together, from spīrāre to breathe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for conspirer conspire v.
late 14c., from Old French
conspirer (14c.), from Latin conspirare "to agree, unite, plot," literally "to breathe together," from com- "together" (see com-) + spirare "to breathe" (see spirit (n.)). Or perhaps the notion is "to blow together" musical instruments, i.e., "To sound in unison." Related: Conspired; conspiring.
Online Etymology Dictionary, © 2010 Douglas Harper