Search Result for "fearless": 
Wordnet 3.0

ADJECTIVE (2)

1. oblivious of dangers or perils or calmly resolute in facing them;
[syn: unafraid(p), fearless]

2. invulnerable to fear or intimidation;
- Example: "audacious explorers"
- Example: "fearless reporters and photographers"
- Example: "intrepid pioneers"
[syn: audacious, brave, dauntless, fearless, hardy, intrepid, unfearing]

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3 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Fearless \Fear"less\, a. Free from fear. Syn: Bold; daring; courageous; intrepid; valorous; valiant; brave; undaunted; dauntless; heroic. -- Fear"less*ly, adv. -- Fear"less*ness, n. [1913 Webster]
WordNet (r) 3.0 (2006):

fearless adj 1: oblivious of dangers or perils or calmly resolute in facing them [syn: unafraid(p), fearless] [ant: afraid(p)] 2: invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers" [syn: audacious, brave, dauntless, fearless, hardy, intrepid, unfearing]
Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "fearless": assured, audacious, aweless, bold, brave, chivalrous, confident, courageous, daring, dauntless, dreadless, gallant, game, heroic, intrepid, lionhearted, plucky, sanguine, sure, unafraid, unapprehensive, unbashful, undiffident, unfearful, unfearing, unfrightened, unscared, unshy, unterrified, untimid, untimorous, valiant, valorous, venturesome