Synonyms of flimsy

flimsy

adjective

ˈflim-zē 

1

as in unsubstantial

being of a material lacking in sturdiness or substance

a flimsy scarf that was more for decoration than for warmth

Synonyms & Similar Words

• unsubstantial
• insubstantial
• fragile
• gossamer
• gauzy
• sheer
• delicate
• filmy
• sleazy
• frothy
• fine
• feeble
• cobwebby
• transparent
• gossamery
• dainty
• frail
• diaphanous

Antonyms & Near Antonyms

• substantial
• sturdy
• durable
• tough
• heavy
• lasting
• coarse
• rough
• rude
• knockabout

2

as in unlikely

not likely to be true or to occur

"The check is in the mail" is a pretty flimsy and tired excuse

Synonyms & Similar Words

• unlikely
• dubious
• questionable
• doubtful
• improbable
• odd
• far-fetched
• impossible
• bizarre
• unapt
• implausible
• ridiculous
• incredible
• unbelievable
• inconceivable
• absurd
• foolish
• unthinkable
• unimaginable
• nonsensical
• fantastic
• outlandish
• unreal
• preposterous
• insane
• outside
• crazy
• remote
• slight
• wild

Antonyms & Near Antonyms

• probable
• likely
• plausible
• credible
• possible
• earthly
• conceivable
• potential
• believable
• liable
• imaginable

Example Sentences

Recent Examples of flimsy

Not only will the strappy upper keep your feet cool under the hot Mediterranean sun, but the plush memory foam insole provides more cushioned support and durability than flimsy flip-flops. — Julia Morlino, Travel + Leisure, 17 Aug. 2026

That can lead to structural problems, from drawer fronts pulling off to flimsy drawer bottoms sagging or falling out under the weight of their contents. — Rachel Silva, Martha Stewart, 14 Aug. 2026

Catios that only cost a few hundred dollars are generally flimsy and won't last long or truly protect against predators. — Maddie Rhodes, USA Today, 12 Aug. 2026

An unassuming woman waltzed through their offices and allegedly robbed the institution of $15 million, armed not with a weapon, but flimsy paperwork and a basket of pies. — Cheyenne Roundtree, Rolling Stone, 11 Aug. 2026