WordGarden.ioimproper
B1Pronunciation
UK
- /ɪmprˈɒpə/
US
- /ˌɪmˈprɑpər/
Meanings
Adjective
not suitable, acceptable, or socially correct for a situation
not allowed by official, legal, or procedural rules
not meeting a standard technical form in mathematics
Beyond the definition
Something that's improper doesn't follow the rules, isn't suitable for a situation, or is considered socially unacceptable. Think of it as falling outside what's expected or polite. Wearing a swimsuit to a formal wedding would be acting in an improper manner. It can also refer to things that don't follow a standard technical or mathematical form, like an improper fraction in math, where the numerator is larger than or equal to the denominator.
Imagine a young child shouting over their teacher during a quiet lesson. That would be improper behavior. Or picture someone using the wrong fork at a formal dinner, or speaking rudely in a serious meeting. The context tells you whether we're talking about social etiquette, rules, or even mathematical ideas.
The word improper carries a weight of disapproval; it suggests something is not quite right, whether morally, legally, or practically. It describes anything that deviates from what is considered acceptable, correct, or suitable in a given situation. For example, the statement "His conduct at the solemn ceremony was deeply improper" implies his behavior was disrespectful and out of line with the gravity of the event.
Improper isn't always about morality, though. It has specific meanings depending on the context. In law, improper influence refers to unfair pressure or unethical methods used to sway someone's decision. In mathematics, an improper fraction (like 7/3) is one where the numerator is larger than or equal to the denominator. The name does not mean the fraction is wrong; it simply means it is written in that form rather than as a whole number and a fraction together.
You might also hear improper used to describe something done incorrectly or lacking essential care. An improperly sealed container could lead to spoilage, and an improperly installed electrical wire could be a fire hazard.
Historically, the word comes from the Latin improprius, combining "im-" (meaning not) and "proprius" (meaning one's own or particular). So, to call something improper is to say it simply doesn't fit—whether that's in terms of social norms, legal standards, mathematical rules, or practical functionality. It signals a departure from what is expected, correct, or appropriate.
Examples
- 1
Social setting
His jokes at the funeral felt improper.
- 2
Official conduct
The report criticized the officer for improper conduct.
- 3
Safety warning
Improper use of the machine can cause serious damage.
- 4
Legal pressure
She was accused of putting improper pressure on the witness.
More examplesFewer examples
- 5
Trial etiquette
It would be improper to discuss the case before the trial.
See also
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Shades of meaning
Contrast
Used with (collocations)
- improper conduct
- improper behavior
- improper use
- improper procedure
Word family
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Forms and spellings
1 form open this card.
Main spelling
- improperadjective