Definition of sicko
: a person who is mentally or morally sick
Examples of sicko in a Sentence
She was afraid to walk alone for fear some sicko might be lurking in the shadows.
some sicko kidnapped and murdered as many as a dozen young women
Recent Examples of sicko from the Web
Just as know-nothing Paterno should have seen the sicko red flags Jerry Sandusky was waving at Penn State, and Carroll should have been suspicious about Reggie Bush’s living arrangements.
What a brave little girl who came forward to her parents and put an end to the actions of this sicko.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sicko.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sicko
SICKO Defined for English Language Learners
Definition of sicko for English Language Learners
: a person who does disturbing things that a person who is mentally normal would not do
Learn More about sicko
Thesaurus: All synonyms and antonyms for sicko
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