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

• 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

Although recoveries occurred, the stock’s drastic declines underscore a volatility profile that is unsuitable for risk-averse investors. —Trefis Team, Forbes.com, 6 Aug. 2025

The woman said robot vacuums are ideal for light maintenance if used frequently, but are unsuitable for vacuuming the entire apartment. —Latoya Gayle, People.com, 3 Aug. 2025

Intermittent fasting, for example, may be unsuitable for people with pre-existing conditions or irritable bowel syndrome. —Desireé Oostland, Vogue, 17 July 2025

While effective in commercial spheres, this approach to AI, which often involves a disregard for data privacy, is viewed as unsuitable for Washington. —Dean Debiase, Forbes.com, 14 July 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