lacking confidence

Related

uncertain · anxious · nervous · self-conscious · meek · awkward · wavering · second-guessing · shrinking · bashful · unsure · tentative · worried · fearful · stammering · blushing · trembling · wallflower

Opposites
self-assurance

lacking confidenceconfident

Sure of oneself

self-confident · self-assured · secure · assured · self-possessed

outward demeanor

lacking confidencebold

Courageous and daring

assertive · self-assertive · commanding · brash · audacious

certainty about outcomes

lacking confidencecertain

Free from doubt

sure · optimistic · positive · sanguine · convinced

Familiarity
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