What does "spacedrive" mean?

A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant).

What is a synonym for "spacedrive"?

Common synonyms include: non-newtonian drive, reactionless drive, stardrive.

Spacedrive

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun

1
A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant). slang

Synonyms

All synonyms

non-newtonian drive reactionless drive stardrive

Antonyms

All antonyms

Newtonian drive reaction drive reaction engine

Etymology

From space + drive.

Related phrases

non newtonian

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.