unwarrantable

adjective

un·​war·​rant·​able ˌən-ˈwȯr-ən-tə-bəl 

-ˈwär-

: not justifiable : inexcusable

unwarrantably

ˌən-ˈwȯr-ən-tə-blē 

-ˈwär-

adverb

Synonyms

• indefensible
• inexcusable
• inexpiable
• insupportable
• unforgivable
• unjustifiable
• unpardonable

Examples of unwarrantable in a Sentence

the unwarrantable arrogance of that man

Word History

First Known Use

1612, in the meaning defined above

Kids Definition

unwarrantable

adjective

un·​war·​rant·​able ˌən-ˈwȯr-ənt-ə-bəl 

-ˈwär-,

ˈən-

: not justifiable : inexcusable