Dictionary.com
Thesaurus.com
Synonyms

affected

1 American  
[uh-fek-tid] / əˈfɛk tɪd /

adjective

  1. acted upon; influenced.

  2. influenced in a harmful way; impaired, harmed, or attacked, as by climate or disease.

  3. (of the mind or feelings) impressed; moved; touched.

    She was deeply affected by their generosity.


affected 2 American  
[uh-fek-tid] / əˈfɛk tɪd /

adjective

  1. assumed artificially; unnatural; feigned.

    affected sophistication; an affected British accent.

  2. assuming or pretending to possess that which is not natural.

    Her affected wealth and social pedigree are so obviously false that it's embarrassing.

  3. inclined or disposed.

    well affected toward the speaker's cause.

  4. held in affection; fancied.

    a novel much affected by our grandparents.


affected 1 British  
/ əˈfɛktɪd /

adjective

  1. behaving, speaking, etc, in an artificial or assumed way, esp in order to impress others

  2. feigned

    affected indifference

  3. archaic inclined; disposed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

affected 2 British  
/ əˈfɛktɪd /

adjective

  1. deeply moved, esp by sorrow or grief

    he was greatly affected by her departure

  2. changed, esp detrimentally

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of affected1

First recorded in 1570–80; affect 1 + -ed 2

Origin of affected2

First recorded in 1525–35; affect 2 + -ed 2

Explanation

Something that's affected is influenced or acted upon. If a bottle of ointment says "apply to the affected area," you should put the medication only on the parts of your skin that touched the poison ivy. One of the most common vocabulary mix-ups is effect and affect: effect is usually a noun, and affect is usually a verb that means "to influence" of "act upon." Affected is the adjective form of the verb. After a flood, affected homeowners might try to get insurance. A sad movie might leave you deeply affected. The word can also refer to behavior that's done only to impress someone: if you're acting affected, you might use big, fake melodramatic gestures.

Keep Reading on Vocabulary.com

Vocabulary lists containing affected

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Affected raw oysters were sold in Washington, while the Manila clams were distributed to restaurants and retailers in California, Arizona, Florida, Georgia, Illinois, Nevada, New York, Oregon and Washington, according to the FDA.

From Los Angeles Times • Mar. 10, 2026

Affected Kansans were informed that their licenses would become meaningless pieces of plastic with letters that went out from the Kansas Division of Vehicles this week.

From Slate • Feb. 27, 2026

Affected clients include the San Joaquin County Employees’ Retirement Association in California, which had $34 million in one of the HPS funds as of the end of June.

From The Wall Street Journal • Feb. 11, 2026

Affected childminders can continue to get full tax relief on the business proportion of their expenses, such as buying new items or paying for repairs, rather than claiming the 10% allowance.

From BBC • Jan. 13, 2026

"Affected towards him!" repeated Walter, kindling at the idea.

From The Buccaneer A Tale by Hall, S. C., Mrs.