from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Arousing fear or awe; formidable.
- adj. Worthy of respect or honor.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Eliciting respect or fear; imposing; awe-inspiring.
from the GNU version of the Collaborative International Dictionary of English
- adj. Formidable; dread; terrible to foes; ; hence, valiant; -- often in contempt or burlesque.
from The Century Dictionary and Cyclopedia
- That is to bo dreaded; formidable; terrible: as, a redoubtable hero; hence, valiant: often used in irony or burlesque.
- Worthy of reverence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. worthy of respect or honor
- adj. inspiring fear
Middle English redoubtabel, from Old French redoutable, from redouter, to dread : re-, re- + douter, to doubt, fear; see doubt.(American Heritage® Dictionary of the English Language, Fourth Edition)
French redoutable (spelled redoubtable in early modern French). (Wiktionary)