ENGLISH
REFERENCE

border on

phr. v..
B2 Upper Intermediate Oxford

phr. v.. to be very close to a certain quality or feeling. You use this when something is almost a specific way, usually something extreme like being crazy or rude.

phr. v.. to come close to being something; to approximate a state or quality. It is an inseparable transitive phrasal verb often used to describe behaviors that approach a negative or extreme limit.


SIMPLE

His behavior borders on being rude.

CONTEXTUAL

The comedian's jokes were funny, but some of them bordered on being offensive to the audience.

COMPLEX

The architect's latest design is certainly ambitious, though some critics argue that its structural complexity borders on the impossible.

Particles
on
Separability
inseparable
Pattern
border + on + object
Usage

usually followed by a noun or a gerund (-ing form) representing an extreme quality.

Teaching tip

point out that while it can describe physical geography, in figurative use it almost always points toward a negative or excessive trait.

Pitfall

His comments border to insults.His comments border on insults.the verb 'border' requires the preposition 'on' when describing being close to a state or quality.

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