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out of bounds

out of bounds

21 3.7
Not allowed because it is outside the allowed area or against the rules
  • idiom
translation icon : fuera de límites
  • Your room is out of bounds.

So, so until very recently, this has been considered to be, you know, wholly, wholly inappropriate and wholly out of bounds.

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Examples

Synonyms

out of line
vsout of bounds
160 4.5

Behaving in a way that is not acceptable to others

is more general, applying to permissions and allowed areas too
off-limits
vsout of bounds
102 4.6

Not allowed to enter, use, or talk about

also applies to behavior or actions outside permitted limits
beyond the pale
vsout of bounds
  • Informal
12 9.1

Morally and socially wrong to most people

is wider, covering any not permitted or inappropriate acts
impermissible
vsout of bounds
  • Formal
6 7.7

Not allowed by rules, laws, or official standards

is broader, meaning not allowed or inappropriate in general
out of the way
vsout of bounds
3 6.1

Unusual in a way that does not follow normal rules

is primarily about being outside permitted limits or inappropriate
prohibited
vsout of bounds
  • Formal
1 3.7

Not allowed by law or by an authority

covers that official ban but also informal unacceptability
out of frame
vsout of bounds
  • Specialized
1 5.8

Not visible inside a picture or not right for the situation

focuses more on being not allowed or generally inappropriate
out-of-the-way
vsout of bounds
7.9

Rude and likely to offend people

is less about offense and more about permission and limits

Antonyms

13 2.7

Rules or laws permit it

inbounds
  • Jargon
3.6

Inside the playing area and still in play

How Permitted

allowable
13 2.7
inappropriate
354 3.7
out of bounds
21 3.7
forbidden
96 3.2
illegal
1.0

Surface Forms

out of bounds positive

Morphology

out + of + bounds

The meaning 'not within the permitted limits' is directly and predictably derived from combining 'out' (outside) with 'of' and 'bounds' (limits), so the phrase literally denotes being outside limits. This compositional pattern is common in many languages and is a straightforward motion/spatial+limit construction, so a B1 learner who knows the constituent words will readily infer the MWE meaning.

Etymology

Out of bounds comes from sports. The word bounds meant the lines that mark the playing area, so when a ball or player passed those lines they were literally out of bounds, which is why today the phrase means 'not within the permitted area' or 'not allowed'.