Definition of "unison" []

• Music Identity of pitch; the interval of a perfect prime. (noun)
• Music The combination of parts at the same pitch or in octaves. (noun)
• The act or an instance of speaking the same words simultaneously by two or more speakers. (noun)
• An instance of agreement; concord. (noun)
• In unison In complete agreement; harmonizing exactly. (idiom)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "January 27th, 2007 at 5: 11 am PST leaving a smug nest of do-gooders behind to fix all of our problems by complaining about them in unison typical right-wing rant. this blog’s author attacks companies all the time for all sorts of stuff, but gosh forbid somebody else do it, then it’s a just ‘a smug nest of do-gooders‘ trying to ‘fix all of our problems by complaining about them in unison‘."
• "But the extended prayer in unison is a metallic Procrusteanism, which absolutely defies the rationale of the whole business, which is the communication of meaning."
• "Margie and Gillam said in unison from the back seat "Lang --" but Ginny turned swiftly and began explaining in a low voice that "Pardon my French" was Texas for "Point taken and appreciated.""