Antonyms:

unify, unite

act in concert or unite in a common purpose or belief

types:

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subdivide

divide into smaller and smaller pieces

format, initialise, initialize

divide (a disk) into marked sectors so that it may store data

sectionalise, sectionalize

divide into sections, especially into geographic sections

triangulate

divide into triangles or give a triangular form to

unitise, unitize

divide (bulk material) and process as units

lot

divide into lots, as of land, for example

parcel

divide into parts

sliver, splinter

divide into slivers or splinters

paragraph

divide into paragraphs, as of text

canton

divide into cantons, of a country

Balkanise, Balkanize

divide a territory into small, hostile states

type of:

change integrity

change in physical make-up

types:

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break open, burst, split

come open suddenly and violently, as if from internal pressure

puncture

be pierced or punctured

burst, bust

break open or apart suddenly and forcefully

smash

break suddenly into pieces, as from a violent blow

ladder, run

come unraveled or undone as if by snagging

crack, snap

break suddenly and abruptly, as under tension

break up, fragment, fragmentise, fragmentize

break or cause to break into pieces

crush

become injured, broken, or distorted by pressure

pop

burst open with a sharp, explosive sound

blow

burst suddenly

stave, stave in

burst or force (a hole) into something

atomise, atomize

break up into small particles

bray, comminute, crunch, grind, mash

reduce to small pieces or particles by pounding or abrading

pound

break down and crush by beating, as with a pestle

shatter

break into many pieces

sunder

break apart or in two, using violence

sliver, splinter

break up into splinters or slivers

rag

break into lumps before sorting

crumb

break into crumbs

brecciate

break into breccia

crush

break into small pieces

grate, grind

make a grating or grinding sound by rubbing together

type of:

change integrity

change in physical make-up

types:

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give the axe, give the bounce, give the gate

terminate a relationship abruptly

break apart, disunify

break up or separate

disassociate, disjoint, dissociate, disunite, divorce

part; cease or break association with

break with

end a relationship

divorce

get a divorce; formally terminate a marriage

break away, secede, splinter

withdraw from an organization or communion

break, break away

interrupt a continued activity

type of:

break, break up, part, separate, split

discontinue an association or relation; go different ways