Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun thruster

2 senses of thruster

Sense 1
pusher, thruster -- (one who intrudes or pushes himself forward)
       => intruder, interloper, trespasser -- (someone who intrudes on the privacy or property of another without permission)

Sense 2
thruster -- (a small rocket engine that provides the thrust needed to maneuver a spacecraft)
       => rocket, rocket engine -- (a jet engine containing its own propellant and driven by reaction propulsion)