Synonyms for Breach

Crack
abyss aperture aqueduct available benthos booth bottleneck breach break in breakout broach canal canyon carve cash cavity cessation channel chap chasm check out chimney chink chip chisel clearing	cleave cleft col corrugation crack cranny crevasse crevice crimp cwm dado defile dell dike ditch divaricate divide engraving excavation exfoliate fault fissure flaw flume flute	fosse fracture furrow gap gape gash goffer gorge groove gulch gulf gully hiatus incise incision lacuna leak missing link moat need notch omission open up outage passageway	pleat plow rabbet ravine rent rifle rift rime rip rive ruck rupture rut schism scissure seam slit slot striate striation trench trough valley wadi wrinkle

Dereliction
bad faith betrayal breach	breach of promise dereliction disaffection	disloyalty falseness falsity	inconstancy infidelity unfaithfulness

Negligence
absentmindedness breach carelessness default deficiency delinquency dereliction flippancy impotence inactivity inadvertence inattention	incuriosity indifference inexpedience inobservance laxity laxness leniency loose ends looseness loosening malfeasance	misfeasance neglect negligence noncompliance nonconformity nonfeasance nonfulfillment noninterference nonobservance nonperformance omission	oversight passivity permissiveness procrastination relaxation shallowness softness superficiality unconcern unrestraint weakness