Antonyms of adj high-backed

1 sense of high-backed

Sense 1
high-backed -- (having a high back; "a high-backed sofa")

INDIRECT (VIA backed) -> backless -- (lacking a back; "a stool is a backless and armless seat")

Similarity of adj high-backed

1 sense of high-backed

Sense 1
high-backed -- (having a high back; "a high-backed sofa")
       => backed (vs. backless) -- (having a back or backing, usually of a specified type)