Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun self-starter

2 senses of self-starter

Sense 1
self-starter -- (an energetic person with unusual initiative)
       => powerhouse, human dynamo, ball of fire, fireball -- (a highly energetic and indefatigable person)

Sense 2
self-starter -- (an electric starting motor that automatically starts an internal-combustion engine)
       => starter, starter motor, starting motor -- (an electric motor for starting an engine)