[adjective uhl-truh-lahyt, uhl-truh-lahyt; noun uhl-truh-lahyt]


extremely lightweight in comparison with others of its kind: a car with an ultralight engine.


something that is ultralight.
a small, light, inexpensive single-seat airplane that is essentially a motorized hang glider.

Origin of ultralight

First recorded in 1970–75; ultra- + light2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ultralight

Contemporary Examples of ultralight

Historical Examples of ultralight

  • Communication, even at ultralight velocities, would be necessarily slow.

    A World by the Tale

    Gordon Randall Garrett

Word Origin and History for ultralight

1974, from ultra- + light (adj.). As a noun meaning "ultralight aircraft" it is recorded from 1982.

Online Etymology Dictionary, © 2010 Douglas Harper