in the PONS Dictionary
im·prop·er [ɪmˈprɒpəʳ, Am -ˈprɑ:pɚ] ADJ
1. improper:
2. improper clothing, actions:
- improper (inappropriate)
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- improper (inappropriate)
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- improper (indecent)
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- improper conduct
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- to make improper suggestions to sb also iron
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3. improper (dishonest):
- improper use
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improper ADJ ECON LAW
- improper
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