from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To plan together secretly to commit an illegal or wrongful act or accomplish a legal purpose through illegal action.
- intransitive v. To join or act together; combine: "Semisweet chocolate, cocoa powder, espresso, Cognac, and vanilla all conspire to intensify [the cake's] flavor” ( Sally Schneider).
- transitive v. To plan or plot secretly.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To secretly plot or make plans together, often used regarding something bad or illegal.
- v. To agree, to concur to one end.
- v. To try to bring about.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To make an agreement, esp. a secret agreement, to do some act, as to commit treason or a crime, or to do some unlawful deed; to plot together.
- intransitive v. To concur to one end; to agree.
- transitive v. To plot; to plan; to combine for.
from The Century Dictionary and Cyclopedia
- Literally, to breathe together (with); breathe in unison or accord, as in singing.
- To agree by oath, covenant, or otherwise to commit a reprehensible or illegal act; engage in a conspiracy; plot; especially, hatch treason.
- Figuratively, to concur to one end; act in unison; contribute jointly to a certain result: as, all things conspired to make him prosperous.
- Synonyms To intrigue. To combine, concur, unite, cooperate.
- To plot; plan; devise; contrive; scheme for.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. engage in plotting or enter into a conspiracy, swear together
- v. act in unison or agreement and in secret towards a deceitful or illegal purpose
Middle English conspiren, from Old French, from Latin cōnspīrāre : com-, com- + spīrāre, to breathe.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin conspirare, conspīrō, from con-, combining form of cum ("with") + spīrō ("breathe") (Wiktionary)