breach

[breech]
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noun

verb (used with object)

to make a breach or opening in.
to break or act contrary to (a law, promise, etc.).

verb (used without object)

(of a whale) to leap partly or completely out of the water, head first, and land on the back or belly with a resounding splash.

Origin of breach

before 1000; Middle English breche, Old English bræc breaking; see break
Related formsbreach·er, nounnon·breach, nounnon·breach·ing, adjectiveun·breached, adjective
Can be confusedbreach breech

Synonyms for breach

Synonym study

2. Breach, infraction, violation, transgression all denote in some way the breaking of a rule or law or the upsetting of a normal and desired state. Breach is used infrequently in reference to laws or rules, more often in connection with desirable conditions or states of affairs: a breach of the peace, of good manners, of courtesy. Infraction most often refers to clearly formulated rules or laws: an infraction of the criminal code, of university regulations, of a labor contract. Violation, a stronger term than either of the preceding two, often suggests intentional, even forceful or aggressive, refusal to obey the law or to respect the rights of others: repeated violations of parking regulations; a human rights violation. Transgression, with its root sense of “a stepping across (of a boundary of some sort),” applies to any behavior that exceeds the limits imposed by a law, especially a moral law, a commandment, or an order; it often implies sinful behavior: a serious transgression of social customs, of God's commandments.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for non-breach

breach

noun

a crack, break, or rupture
a breaking, infringement, or violation of a promise, obligation, etc
any severance or separationthere was a breach between the two factions of the party
a gap in an enemy's fortifications or line of defence created by bombardment or attack
the act of a whale in breaking clear of the water
the breaking of sea waves on a shore or rock
an obsolete word for wound 1

verb

(tr) to break through or make an opening, hole, or incursion in
(tr) to break a promise, law, etc
(intr) (of a whale) to break clear of the water

Word Origin for breach

Old English bræc; influenced by Old French brèche, from Old High German brecha, from brechan to break
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for non-breach

breach

n.

Old English bryce "breach, fracture, a breaking," from brecan (see break), influenced by Old French breche "breach, opening, gap," from Frankish; both from Proto-Germanic *brecho, *bræko "broken," from PIE root *bhreg- "to break" (see fraction). Figurative sense of "a breaking of rules, etc." was in Old English Breach of contract is at least from 1660s.

breach

v.

1570s, from breach (n.). Related: Breached; breaching.

Online Etymology Dictionary, © 2010 Douglas Harper