
1) Brave 2) Dauntless 3) Do or die 4) Tough 5) Unbeatable 6) Unconquerable 7) Unsubduable
Found on
https://www.crosswordclues.com/clue/indomitable

1) Hard to subdue 2) High fantasy novel 3) Impossible to subdue 4) Not easily discouraged 5) Shannara novel 6) Tenacious 7) Unconquerable 8) Unsubduable
Found on
https://www.crosswordclues.com/clue/indomitable

• (a.) Not to be subdued; untamable; invincible; as, an indomitable will, courage, animal.
Found on
http://thinkexist.com/dictionary/meaning/indomitable/
In·dom'i·ta·ble adjective [ Latin
indomitabilis ; prefix
in- not +
domitare , intens. from
domare to tame. See
Tame .] Not to be subdued; untamable; invincible; as, an
indomitable will, courage, animal.
Found on
http://www.encyclo.co.uk/webster/I/46

not easily discouraged or subduedÂ
Found on
http://www.graduateshotline.com/list.html

HMS Indomitable was a British fleet aircraft carrier of 23000 tons displacement launched in 1940. HMS Indomitable was powered by six Admiralty 3-drum type boilers providing a top speed of 31 knots. She was armed with sixteen 4.5 inch dual-purpose guns plus 40 mm and 20 mm anti-aircraft guns. She carried a crew of 1600 and sixty aircraft.
Found on
http://www.probertencyclopaedia.com/browse/RI.HTM

[
adj] - impossible to subdue
Found on
http://www.webdictionary.co.uk/definition.php?query=indomitable
never-say-die adjective impossible to subdue
Found on
https://www.encyclo.co.uk/local/20974

that cannot be subdued or overcome, as persons, will, or courage; unconquerable: an indomitable warrior.
Found on
https://www.infoplease.com/dictionary/indomitable
[SAT terms] impossible to subdue
Found on
https://www.vocabulary.com/lists/151263

impossible to subdue
Found on
https://www.vocabulary.com/lists/578271
No exact match found.