Without thrusters.

Capable of being thrust.

(sumo) A rikishi who uses his weight to push and pummel his opponent, rather than holding the opponent's mawashi and attempting to throw him

(physics, dynamics) A theoretical type of drive that does not conform to Newton's Laws of Motion, violating the conservation of momentum, using a resonant cavity where microwaves are beamed.

plural of pusher-thruster

(astronautics, space science) A hypothetical megastructure consisting of a gargantuan statite used to redirect the radiation pressure of a star, generating a net thrust which slowly accelerates the whole system in the direction of the statite.

plural of Shkadov thruster