new style; new form
A Sino-Japanese noun for a new style or form, often found in formal, historical, or compound-like labels rather than as a casual everyday word for 'new style'.
In the Meiji period, new-style poetry spread among young literary figures.
旧態 refers to an old, unchanged state or condition, forming the natural contrast to 新体's meaning of a new form or style.
新体操 (rhythmic gymnastics) shares the characters 新体 with 新体 but is an unrelated compound noun, not a use of 新体's meaning of 'new style'.
new-style poetry; new-style poem
A Sino-Japanese compound of 新, 'new', and 体, here meaning 'form' or 'style'.