अर्थ : (of theories etc) incapable of being defended or justified.
पर्यायवाची : untenable
अर्थ : Not able to be protected against attack.
अर्थ : Incapable of being justified or explained.
पर्यायवाची : insupportable, unjustifiable, unwarrantable, unwarranted
Indefensible meaning in Telugu.