indefensible

adjective

in·​de·​fen·​si·​ble ˌin-di-ˈfen(t)-sə-bəl 

1

a

: incapable of being maintained as right or valid : untenable

an indefensible argument

b

: incapable of being justified or excused : inexcusable

indefensible comments

2

: incapable of being protected against physical attack

indefensibility

ˌin-di-ˌfen(t)-sə-ˈbi-lə-tē 

noun

indefensibly

ˌin-di-ˈfen(t)-sə-blē 

adverb

Synonyms of indefensible

• unacceptable
• unjustifiable
• inexcusable
• outrageous
• insupportable
• unforgivable
• unpardonable
• unwarrantable
• vicious

Examples of indefensible in a Sentence

The company adopted an indefensible position on the issue.

His behavior is ethically indefensible.

The city is in an indefensible location.

Recent Examples on the Web

The institutions calling $135 indefensible fought for allocation at $135. —Jon Markman, Forbes.com, 12 June 2026

Wembanyama isolates Brunson in the post and gets one, two, three chances at the rim for an indefensible bucket? —Kyle Wagner, New York Daily News, 11 June 2026

The remarks were shocking and indefensible. —Nicole Russell, USA Today, 4 June 2026

Nothing seemed to go right after he was let down badly by a misguided – OK, indefensible – VAR intervention in his second match of the season, which led to him wrongly ruling out a Josh King goal for Fulham at Chelsea. —Graham Scott, New York Times, 24 May 2026

Word History

First Known Use

1529, in the meaning defined at sense 1a

Rhymes for indefensible

• compensable
• condensable
• defensible
• dispensable
• extensible
• insensible
• ostensible
• comprehensible
• indispensable
• reprehensible
• supersensible
• incomprehensible

Kids Definition

indefensible

adjective

in·​de·​fen·​si·​ble ˌin-di-ˈfen(t)-sə-bəl 

: impossible to defend

an indefensible position