Antonyms of adj unafraid

2 senses of unafraid

Sense 1
unafraid (predicate) (vs. afraid), fearless -- (oblivious of dangers or perils or calmly resolute in facing them)

afraid(predicate) (vs. unafraid) -- (filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions")
        => acrophobic -- (suffering from acrophobia; abnormally afraid of high places)
        => afeard (predicate), afeared (predicate) -- (a pronunciation of afraid)
        => aghast (predicate), appalled, dismayed, shocked -- (struck with fear, dread, or consternation)
        => agoraphobic -- (suffering from agoraphobia; abnormally afraid of open or public places)
        => alarmed -- (experiencing a sudden sense of danger)
        => algophobic -- (suffering from algophobia; abnormally afraid of pain)
        => apprehensive -- (in fear or dread of possible evil or harm; "apprehensive for one's life"; "apprehensive of danger")
        => hangdog -- (frightened into submission or compliance)
        => claustrophobic -- (suffering from claustrophobia; abnormally afraid of closed-in places)
        => fearful -- (experiencing or showing fear; "a fearful glance"; "fearful of criticism")
        => frightened, scared -- (made afraid; "the frightened child cowered in the corner"; "too shocked and scared to move")
        => horrified, horror-stricken, horror-struck -- (stricken with horror)
        => hunted -- (reflecting the fear or terror of one who is hunted; "the hopeless hunted look on the prisoner's face"; "a glitter of apprehension in her hunted eyes")
        => hydrophobic, aquaphobic -- (abnormally afraid of water)
        => mysophobic -- (suffering from mysophobia; abnormally afraid of dirt or contamination)
        => panicky, panicked, panic-stricken, panic-struck, terrified, frightened -- (thrown into a state of intense fear or desperation; "became panicky as the snow deepened"; "felt panicked before each exam"; "trying to keep back the panic-stricken crowd"; "the terrified horse bolted")
        => numb -- (so frightened as to be unable to move; stunned or paralyzed with terror; petrified; "too numb with fear to move")
        => shitless -- (extremely frightened; "he was scared shitless")
        => terror-stricken, terror-struck -- (struck or filled with terror)
        => triskaidekaphobic -- (suffering from triskaidekaphobia (abnormal fear of the number 13))
        => unnerved -- (deprived of courage and strength; "the steeplejack, exhausted and unnerved, couldn't hold on to his dangerous perch much longer")
        => white-lipped -- (having white lips from fear or terror)
        => xenophobic -- (suffering from xenophobia; having abnormal fear or hatred of the strange or foreign)

Sense 2
secure (vs. insecure), unafraid, untroubled -- (free from fear or doubt; easy in mind; "he was secure that nothing will be held against him")


Similarity of adj unafraid

2 senses of unafraid

Sense 1
unafraid (predicate) (vs. afraid), fearless -- (oblivious of dangers or perils or calmly resolute in facing them)
       => unapprehensive -- (not recognizing or slow to recognize danger)
       => unblinking, unflinching, unintimidated, unshrinking -- (not shrinking from danger)
       => unfrightened -- (not affected by fright)
          Also See-> bold#1; brave#1, courageous#1

Sense 2
secure (vs. insecure), unafraid, untroubled -- (free from fear or doubt; easy in mind; "he was secure that nothing will be held against him")