Dictionary.com
Thesaurus.com
Synonyms

fearful

American  
[feer-fuhl] / ˈfɪər fəl /

adjective

  1. causing or apt to cause fear; frightening.

    a fearful apparition.

  2. feeling fear, dread, apprehension, or solicitude.

    fearful for his life.

    Synonyms:
    worried, concerned, anxious, solicitous, distrustful, uneasy, apprehensive, timorous, timid, afraid
  3. full of awe or reverence.

    fearful of the Lord.

  4. showing or caused by fear.

    fearful behavior exhibited by dogs in the animal shelter.

  5. extreme in size, intensity, or badness: fearful poverty.

    a fearful head cold;

    fearful poverty.


fearful British  
/ ˈfɪəfʊl /

adjective

  1. having fear; afraid

  2. causing fear; frightening

  3. informal very unpleasant or annoying

    a fearful cold

"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

  • fearfully adverb
  • fearfulness noun
  • unfearful adjective

Etymology

Origin of fearful

First recorded in 1300–50; Middle English ferful(l); fear, -ful

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.

The victims, two male flight attendants, testified that Woodbury’s actions left them fearful for their safety and disrupted their ability to do their jobs during a cross-country flight in April 2025, according to prosecutors.

From Los Angeles Times

Like him, many neighbors and family members were fearful of what will come next, said Monsalve.

From Barron's

Long lines formed at supermarkets and pharmacies as shoppers, fearful of uncertainty, stocked up on essentials.

From Los Angeles Times

The pressure is so great that some superstitious students avoid washing their hair or trimming their nails as the single exam day every November approaches—fearful knowledge might slip away.

From The Wall Street Journal

Emotional control — remaining rational when others are euphoric or fearful — is Buffett’s sharpest edge.

From MarketWatch