Simple Definition of cancer
: a serious disease caused by cells that are not normal and that can spread to one or many parts of the body
: something bad or dangerous that causes other bad things to happen
Cancer : the fourth sign of the zodiac that comes between Gemini and Leo and has a crab as its symbol
Full Definition of cancer
1 capitalized a : a northern zodiacal constellation between Gemini and Leo b (1) : the fourth sign of the zodiac in astrology — see zodiac table (2) : one born under the sign of Cancer
2 [Latin, crab, cancer] a : a malignant tumor of potentially unlimited growth that expands locally by invasion and systemically by metastasis b : an abnormal bodily state marked by such tumors
3 : something evil or malignant that spreads destructively <the cancer of hidden resentment — Irish Digest>
4 a : an enlarged tumorlike plant growth (as that of crown gall) b : a plant disease marked by such growths
Examples of cancer in a sentence
He was diagnosed with cancer.
She learned that she has cancer.
Eating certain foods may help reduce the risk of cancer.
Advanced cancers are more difficult to treat.
I'm a Taurus, but my best friend is a Cancer.
Origin of cancer
Middle English, from Latin (genitive Cancri), literally, crab; akin to Greek karkinos crab, cancer
First Known Use: 14th century
CANCER Defined for Kids
Definition of cancer for Students
: a serious sometimes deadly disease characterized by the growth of abnormal cells that form tumors which may damage or destroy normal body tissue
Seen and Heard
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