hypersensitive

[hahy-per-sen-si-tiv]
adjective
1.
excessively sensitive: to be hypersensitive to criticism.
2.
allergic to a substance to which persons do not normally react.

Origin:
1870–75; hyper- + sensitive

hypersensitiveness, hypersensitivity, noun
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World English Dictionary
hypersensitive (ˌhaɪpəˈsɛnsɪtɪv)
 
adj
1.  having unduly vulnerable feelings
2.  abnormally sensitive to an allergen, a drug, or other agent
 
hyper'sensitiveness
 
n
 
hypersensi'tivity
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

hypersensitive hy·per·sen·si·tive (hī'pər-sěn'sĭ-tĭv)
adj.
Responding excessively to the stimulus of a foreign agent, such as an allergen; abnormally sensitive.


hy'per·sen'si·tive·ness or hy'per·sen'si·tiv'i·ty (-tĭv'ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Cultural Dictionary

hypersensitivity definition


An excessive or abnormal sensitivity to a substance. A person who is hypersensitive to a certain drug will often suffer a severe allergic reaction (see allergy) if given the drug.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Gynecomastia can cause physical issues, including painful hypersensitivity, but
  it is generally harmless.
Paramount's hypersensitivity would seem to raise flags that didn't need to be
  saluted.
Some of my students developed a fluoride hypersensitivity from eating
  toothpaste when growing up.
The council's decisions reflect a faintly alarming mix of deep conservatism and
  hypersensitivity.
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