unsuitable

adjective

un·​suit·​able ˌən-ˈsü-tə-bəl 

: not fitting or right for a use or purpose : not suitable

an unsuitable choice

unsuitable topics for conversation

unsuitability

ˌən-ˌsü-tə-ˈbi-lə-tē 

noun

unsuitability for the job

unsuitably

ˌən-ˈsü-tə-blē 

adverb

unsuitably dressed

Synonyms of unsuitable

• inappropriate
• improper
• wrong
• incorrect
• unfit
• unhappy

Examples of unsuitable in a Sentence

all the movies playing now are violent or otherwise unsuitable for a child's birthday party

Recent Examples on the Web

Common travel problems include sudden flight cancellations, unsuitable accommodations, and last-minute booking cancellations. —Christopher Elliott, USA Today, 13 Dec. 2025

For those who lack accessible or unsuitable shelter for the incoming dangerous temperatures, the NWS reminded residents to call 211 or visit Michigan's Housing Development Authority for assistance locating appropriate shelter. —Sarah Moore, Freep.com, 12 Dec. 2025

Supporters say community solar provides the benefits of renewable energy to renters and homeowners with roofs unsuitable for solar panel installation. —Francesca Pica, jsonline.com, 12 Dec. 2025

Some critics claim that organic farming is geared toward a luxury market and thereby unsuitable for mainstream agriculture. —Kelly Damewood, Fortune, 25 Nov. 2025

Word History

First Known Use

circa 1586, in the meaning defined above

Rhymes for unsuitable

• mutable
• suitable
• computable
• disputable
• immutable
• imputable
• inscrutable
• executable
• indisputable
• irrefutable
• substitutable

Kids Definition

unsuitable

adjective

un·​suit·​able

ˌən-ˈsüt-ə-bəl, 

ˈən-

: not suitable or fitting : unbecoming, inappropriate

unsuitably

-blē

adverb