Power Prefix: sub-

Learn these words beginning with the prefix sub, meaning "below" or "under."

Want to increase your prefix power? Learn our complete set of Power Prefix lists: anti-, con-, dis-, ex-, fore-, inter-, mis-, pre-, pro-, sub-, super-, trans-, uni-
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definitions & notes only words
  1. subconscious
    psychic activity just below the level of awareness
    Dr. Strauss says that it means I’ve reached a point where my subconscious is trying to block my conscious from remembering.Flowers for Algernon
  2. subjugate
    make subservient; force to submit or subdue
    And we have not even considered the more popular Terminator scenarios in which robots—through super artificial intelligence— subjugate humanity.Slate (Feb 16, 2012)
  3. subliminal
    below the threshold of conscious perception
    A good therapist will be able to guide you through the subliminal trauma and unpick the legacy of an experience that will be contributing to your state of confusion.The Guardian (Jan 6, 2019)
  4. submarine
    a submersible warship usually armed with torpedoes
    Sailors were discussing whether the ship should follow a zigzag course to evade lurking submarines and whether the navigation lights would be illuminated.Salt to the Sea
  5. submerge
    sink below the surface; go under or as if under water
    The captain orders the master-at-arms to fire the cannon, but the whale submerges too quickly to be fired upon.Challenger Deep
  6. submissive
    inclined or willing to give in to orders or wishes of others
    He remains quiet and submissive under his heavy fate.Colvin, Sidney
  7. subordinate
    an assistant subject to the authority or control of another
    He was known as a diligent worker, and his skill and leadership qualities were plain to all his subordinates.The Martian
  8. subservient
    compliant and obedient to authority
    From the end of World War II to 1989, Poland was politically subservient to the Soviet Union.Time (Apr 15, 2010)
  9. subsidiary
    a company that is completely controlled by another company
    Under the reorganization, the team would become a wholly owned subsidiary of Manchester United Ltd., a newly formed holding company based in the Cayman Islands.Time (Jul 4, 2012)
  10. subterranean
    being or operating under the surface of the earth
    The museum’s various levels were comprised of vast caverns linked by a network of subterranean streets, tunnels, staircases, elevators, escalators, ladders, slides, trapdoors, and secret passageways.Ready Player One: A Novel
Created on October 1, 2012 (updated August 20, 2019)

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