unaffected

adjective

un·​af·​fect·​ed ˌən-ə-ˈfek-təd 

1

: not influenced or changed mentally, physically, or chemically

2

: free from affectation : genuine

unaffectedly adverb

unaffectedness noun

Synonyms of unaffected

• genuine
• honest
• simple
• innocent
• true
• naive

Examples of unaffected in a Sentence

They shortened the book when they made the movie, but the basic story remained unaffected.

He has a friendly and unaffected manner.

Recent Examples on the Web

This survival strategy has, coincidentally, resulted in some strains of bacteria being unaffected by certain antibiotics, drugs that trace their origins to natural compounds. —Katie Hunt, CNN Money, 20 Feb. 2026

The westbound lanes are unaffected. —Michelle Cruz, AZCentral.com, 20 Feb. 2026

In the meantime, though, train traffic in both directions must run on the one lone track of the old bridge left unaffected by the construction work. —Evan Simko-Bednarski, New York Daily News, 19 Feb. 2026

All other campuses in the district are unaffected. —Silas Allen, Dallas Morning News, 18 Feb. 2026

Word History

First Known Use

circa 1586, in the meaning defined at sense 1

Rhymes for unaffected

• disaffected
• disconnected
• disinfected
• interjected
• intersected
• misdirected
• preselected
• recollected
• reconnected
• redirected
• reelected
• resurrected

Kids Definition

unaffected

adjective

un·​af·​fect·​ed ˌən-ə-ˈfek-təd 

1

: not influenced or changed mentally, physically, or chemically

2

: free from false behavior intended to impress others : genuine

unaffectedly adverb

unaffectedness noun