superlightweight

English

Etymology

super- +‎ lightweight

Adjective

superlightweight (comparative more superlightweight, superlative most superlightweight)

1. Extremely lightweight.
   • 1998, Steve Lerner, Jonathan Lash, Eco-Pioneers: Practical Visionaries Solving Today's Environmental Problems, page 165:

     Rather than reinforce rooftops at great expense, Mankiewicz decided that the only way around this problem was to invent a superlightweight soil.

Synonyms

• ultralightweight