ENGLISH WORD FILE NO. 00483 · Core CSAT & TOEIC Vocabulary
boundary
n.
US/ˈbaʊndəri/
UK/ˈbaʊndəri/
CSAT Frequency72/100
TOEIC Frequency65/100
02
Meanings of boundary
1noun
A line or limit that marks the edge or extent of something, separating one area, region, or jurisdiction from another.
The river forms the boundary between the two countries.
The river forms the boundary between the two countries.
Setting clear boundaries in relationships is essential for mutual respect.
Setting clear boundaries in relationships is essential for mutual respect.
03
Derivatives of boundary
set a boundary
set a boundary (verb phrase)
Parents need to set clear boundaries for their children's screen time.
Parents need to set clear boundaries for their children's screen time.
cross the boundary
cross the boundary (verb phrase)
The athlete accidentally crossed the boundary line during the match.
The athlete accidentally crossed the boundary line during the match.
boundary condition
boundary condition (noun phrase)
In physics, boundary conditions are crucial for solving differential equations.
In physics, boundary conditions are crucial for solving differential equations.
boundary dispute
boundary dispute (noun phrase)
The two states resolved their long-standing boundary dispute through negotiation.
The two states resolved their long-standing boundary dispute through negotiation.
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Synonyms & Antonyms of boundary
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Common Phrases with boundary
national boundarynational boundary
set boundariesset boundaries
cross the boundarycross the boundary
boundary lineboundary line
clear boundaryclear boundary
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Practice Question: boundary
Choose the best word for the blank
The school established a clear ___ for student behavior to maintain discipline.
- A boundaries
- B boundary
- C boundaring
- D boundared
The singular form 'boundary' is correct because the sentence refers to one clear limit that was established, not multiple boundaries.