lightest (adjective) light: illuminated
Sinonime: attenuate, attenuated,
delicate,
diaphanous, filmy,
flimsy,
gossamer, paper-thin, permeable,
rare, rarefied,
refined, see-through,
sheer,
slight,
slim, subtile,
subtle,
tenuous,
translucent, unsubstantial, wafer-thin, wispy
Antonime: dense,
solid, thick