Misuse

[noun mis-yoos; verb mis-yooz] /noun mɪsˈyus; verb mɪsˈyuz/

noun
1.
wrong or improper ; misapplication.
2.
Obsolete. bad or abusive treatment.
verb (used with object), misused, misusing.
3.
to wrongly or improperly; misapply.
4.
to treat badly or abusively; maltreat.
noun (ˌmɪsˈjuːs)
1.
erroneous, improper, or unorthodox use: misuse of words
2.
cruel or inhumane treatment
verb (transitive) (ˌmɪsˈjuːz)
3.
to use wrongly
4.
to treat badly or harshly
5.
to use (something, esp alcohol, drugs, etc) improperly
v.

late 14c., “to use improperly;” see mis- (1) + use (v.). Meaning “to subject to ill-treatment” is attested from 1530s. Related: Misused; misusing.
n.

late 14c., from mis- (1) + use (n.). It aligns with the older sense of the verb misuse.

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Misused
[noun mis-yoos; verb mis-yooz] /noun mɪsˈyus; verb mɪsˈyuz/ noun 1. wrong or improper ; misapplication. 2. Obsolete. bad or abusive treatment. verb (used with object), misused, misusing. 3. to wrongly or improperly; misapply. 4. to treat badly or abusively; maltreat. noun (ˌmɪsˈjuːs) 1. erroneous, improper, or unorthodox use: misuse of words 2. cruel or inhumane […]
Misuser
[mis-yoo-zer] /mɪsˈyu zər/ noun, Law. 1. abuse of a right; unlawful use of an office, franchise, benefit, etc. [mis-yoo-zer] /mɪsˈyu zər/ noun 1. a person who misuses. /ˌmɪsˈjuːzə/ noun 1. (law) an abuse of some right, privilege, office, etc, such as one that may lead to its forfeiture 2. (often in combination) a person who […]
Misusing
[noun mis-yoos; verb mis-yooz] /noun mɪsˈyus; verb mɪsˈyuz/ noun 1. wrong or improper ; misapplication. 2. Obsolete. bad or abusive treatment. verb (used with object), misused, misusing. 3. to wrongly or improperly; misapply. 4. to treat badly or abusively; maltreat. noun (ˌmɪsˈjuːs) 1. erroneous, improper, or unorthodox use: misuse of words 2. cruel or inhumane […]

Misutilization
[yoot-l-ahyz] /ˈyut lˌaɪz/ verb (used with object), utilized, utilizing. 1. to put to use; turn to profitable account: to utilize a stream to power a mill. /ˈjuːtɪˌlaɪz/ verb 1. (transitive) to make practical or worthwhile use of 1807, from French utiliser, from Italian utilizzare, from utile “usable,” from Latin utilis “usable,” from uti (see use […]
Misventure
[mis-ven-cher] /mɪsˈvɛn tʃər/ noun 1. an unfortunate undertaking; misadventure.