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boundary Definition

bound·a·ry (bo̵undrē, -də rē)

noun pl. -·ries

any line or thing marking a limit; bound; border

Etymology: bound + -ary

boundary Synonyms

boundary

n.

outline, border, verge, rim, beginning, end, terminal, confines, limit, limits, bounds, radius, terminus, landmark, march, extremity, fence, compass, side, purlieus, hem, frame, skirt, line of demarcation, termination, margin, line, barrier, frontier, outpost, perimeter, extent, circumference, horizon, periphery, fringe, pale, mark, borderland; see also edge 1.

Antonyms surface, interior, center.

boundary Usage Examples

Converse of object

  • push: My research aims to push the boundaries of both the above developments.
  • blur: Drive it hard and the M5 seems to blur the boundaries of driver and machine.
  • transcend: And so we wanted to be able to deal with them all at once, through a coherent strategy that transcended departmental boundaries.
  • cross: It is very easy to cross the boundary into cliche.
  • straddle: Local club Liverpool Pembroke Sefton straddles the boundaries of Merseyside and Lancashire and has interest in both.
  • define: At long last the boundaries there defined will be the measure of her territory.

Adjective modifier

  • southern: The Hampstead Junction Railroad, built by 1857, ran along the southern boundary of West End House.
  • eastern: Village agriculture on the eastern boundary is encroaching the reserve.
  • geographical: Geographical boundaries should not prevent action being taken to tackle a dangerous stretch of road.
  • disciplinary: It provides an ideal institutional setting for anthropological research that crosses disciplinary boundaries.
  • western: This wall probably followed the western property boundary of Castle Cottage to join the north curtain above the river.
  • northern: The Holybrook, to the northern boundary of the site, was also opened up to the public.

Modifies a noun

  • layer: The growth rate is controlled by diffusion of Y through the boundary layer adjacent to the growth surface.
  • fence: As they reached a boundary fence, the dog froze and was staring intently into a field to the left.
  • marker: However, I understand that there are a couple of wyverns, although not as boundary markers.

Noun used with modifier

  • grain: Explore changes of grain boundary energy arising from segregation of impurities.
  • parish: A commune wine will come from anywhere within the parish boundary.
  • constituency: With the change in constituency boundaries that will be put in place before then, we wonder which way will Cox jump.
  • county: The old hamlet lay around the ruined chapel to the south, on the county boundary, where there are still traces of cottages.
  • boro: Also, the wind does not recognize boro boundaries.
boundary Quotes

No man has a right to fix the boundary of the march of a nation. No man has a right to say to his country,'Thus far thou shalt go and no further.'

—Parnell, Charles Stewart

There is no boundary line to art. Music is your own experience, your thoughts, your wisdom. If you don't live it, it won't come out of your horn.

—Parker, Charlie known as  'Bird'

Browse dictionary entries near boundary

  1. bound to
  2. -bound
  3. bound
  4. bouncing Bet
  5. bouncing
  6. bouncer
  7. bounce
  8. Boulogne-Billancourt
  9. Boulogne
  10. boulle
  1. boundary layer
  2. bounded
  3. bounded medium
  4. bounden
  5. bounder
  6. boundless
  7. bounteous
  8. bountiful
  9. bounty
  10. bounty hunter