Synonyms of fearful in English:

fearful


See definition of fearful

adjective

1‘they are fearful of being overheard by the enemy’

SYNONYMS
afraid, frightened, scared, scared stiff, scared to death, terrified, petrified
alarmed, panicky, nervous, tense, apprehensive, uneasy, hesitant, disquieted, worried, worried sick, anxious
British nervy
informal jittery, jumpy, in a funk, in a blue funk
dialect frit
archaic afeared, affrighted

2‘the guards were ill trained and fearful’

SYNONYMS
nervous, trembling, quaking, quivering, shrinking, cowering, cowed, daunted
timid, timorous, diffident, faint-hearted, cowardly, pusillanimous
British nervy
informal jittery, jumpy, twitchy, keyed up, yellow, chicken, in a cold sweat, a bundle of nerves, like a cat on a hot tin roof, frightened of one's own shadow
British informal having kittens, like a cat on hot bricks, windy, stressy
North American informal spooked, spooky, antsy
dated overstrung, unquiet

3‘there has been a fearful accident’

SYNONYMS
terrible, dreadful, awful, appalling, frightful, ghastly, horrific, horrible, horrifying, horrendous, very bad, terribly bad, shocking, atrocious, abominable, hideous, monstrous, dire, grim, unspeakable, gruesome, grievous, lamentable, distressing, harrowing, alarming
ANTONYMS

minor

4‘he was in a fearful hurry’

SYNONYMS
very great, great, extreme, real, dreadful
informal terrible, impossible
British informal right, proper