Synonyms of frail
1
: easily broken or destroyed : fragile
… frail, open-cockpit biplanes …—Jonathan Weiner
2
a
: physically weak
a frail old woman
a frail voice
b
: slight, unsubstantial
… smiled a minute frail smile.—Raymond Chandler
3
: easily led into evil
frail humanity
frailness noun
Choose the Right Synonym for frail

weak, feeble, frail, fragile, infirm, decrepit mean not strong enough to endure strain, pressure, or strenuous effort.

weak applies to deficiency or inferiority in strength or power of any sort.

felt weak after the surgery

feeble suggests extreme weakness inviting pity or contempt.

a feeble attempt to walk

frail implies delicacy and slightness of constitution or structure.

a frail teenager unable to enjoy sports

fragile suggests frailty and brittleness unable to resist rough usage.

a reclusive poet too fragile for the rigors of this world

infirm suggests instability, unsoundness, and insecurity due to old age or disabling illness.

infirm residents requiring constant care

decrepit implies being worn-out or broken-down from long use or old age.

the dowager's decrepit retainers

Examples of frail in a Sentence

In his old age his health became increasingly frail. a small and frail ship
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Even as crime drops and car crashes recede, New York’s streets and parks have grown increasingly hostile to those who are frail, slow, disabled, or small. — Justin Davidson, Curbed, 5 Nov. 2026 The sole performer who survives this chapter is Miguel Bernardeau, intensely charismatic as the physically frail but spiritually fortified Rafael. — Justin Chang, New Yorker, 3 Nov. 2026 The medically frail interpretation required them to make additional changes, and the judge’s ruling will now force them to shift directions again. — Tami Luhby, CNN Money, 30 Oct. 2026 The Beach Boys haven’t performed since a pair of shows earlier this month in Cincinnati and Nashville where frontman Mike Love appeared incredibly frail, largely unable to sing or even stand. — Andy Greene, Rolling Stone, 28 Oct. 2026 See All Example Sentences for frail

Word History

Etymology

Middle English frele, frayle, borrowed from Anglo-French frel, fraile, going back to Latin fragilis "liable to break, weak" — more at fragile

First Known Use

14th century, in the meaning defined at sense 3

Time Traveler
The first known use of frail was in the 14th century

Browse Nearby Words

Cite this Entry

“Frail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frail. Accessed 6 Nov. 2026.

Kids Definition

1
: easily led into evil
frail humanity
2
3
: not having normal strength or force
spoke in a frail voice
frailness noun
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster