1. (adjective) lacking self-confidence

• diffident
• timid
• unsure

1. (adjective) short

• deficient
• insufficient

2. (adjective) wary and distrustful; disposed to avoid persons or things

• wary

1. (noun) a quick throw

• throw

2. (verb) start suddenly, as from fright

• jump
• start
• startle

3. (verb) throw quickly

• throw

1. (adjective) lacking self-confidence

• confident

1. (adjective) lacking self-confidence

• diffidence
• self-distrust
• self-doubt
• shyness
• timidity
• timidness
• timorousness