dissect

verb

dis·​sect dī-ˈsekt How to pronounce dissect (audio)
also
di- How to pronounce dissect (audio) ˈdī-ˌsekt How to pronounce dissect (audio)
dissected; dissecting; dissects
Synonyms of dissectnext

transitive verb

1
: to separate into pieces : expose the several parts of (something, such as an animal) for scientific examination
dissect an earthworm
dissecting flowers
2
: to analyze and interpret minutely
dissect a problem
dissector
dī-ˈsek-tər
 
also
di- How to pronounce dissect (audio)
ˈdī-ˌsek-
noun
Choose the Right Synonym for dissect

analyze, dissect, break down mean to divide a complex whole into its parts or elements.

analyze suggests separating or distinguishing the component parts of something (such as a substance, a process, a situation) so as to discover its true nature or inner relationships.

analyzed the collected data

dissect suggests a searching analysis by laying bare parts or pieces for individual scrutiny.

commentators dissected every word of the speech

break down implies a reducing to simpler parts or divisions.

break down the budget

Examples of dissect in a Sentence

We dissected a frog in science class. She dissected each point of his argument. We dissected the poem in class. The city is dissected by a network of highways.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Papers had been presented, models dissected, scenarios examined. Dan Turello, New Yorker, 10 Jan. 2026 In an era where photos can circulate in seconds, public-facing figures face the pressure of the internet's desire to dissect their every move — including their appearance. Grace Gavilanes, PEOPLE, 9 Jan. 2026 The other two instruments are really cool as well; they can both be used to dissect secrets of the cosmos, like the mystery of the universe's expansion rate (popularly called the Hubble Tension) and help with supernova modeling. Monisha Ravisetti, Space.com, 8 Jan. 2026 Teammates have told stories of 1-on-1 film sessions with Carter, noting his ability to dissect every part of the play. Ty Kaplan, Dallas Morning News, 8 Jan. 2026 See All Example Sentences for dissect

Word History

Etymology

Latin dissectus, past participle of dissecare to cut apart, from dis- + secare to cut — more at saw

First Known Use

1598, in the meaning defined at transitive sense 1

Time Traveler
The first known use of dissect was in 1598

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Cite this Entry

“Dissect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dissect. Accessed 14 Jan. 2026.

Kids Definition

dissect

verb
1
: to cut up (as a plant or animal) into separate parts for examination and study
2
: to make a careful examination of
dissect a problem
Etymology

from Latin dissectus, past participle of dissecare "to cut apart," from dis- "apart" and secare "to cut" — related to insect, section

Medical Definition

dissect

transitive verb
: to cut so as to separate into pieces or to expose the several parts of (as an animal or a cadaver) for scientific examination
specifically : to separate or follow along natural lines of cleavage (as through connective tissue)
dissect out the regional lymph nodes
a dissecting aneurysm

intransitive verb

: to make a medical dissection
dissector noun

More from Merriam-Webster on dissect

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