1) Amylaceous 2) Amyloid 3) Amyloidal 4) Buckram 5) Farinaceous 6) Formal 7) Heavy 8) Prim 9) Starchlike 1) Amylaceous 2) Amyloid 3) Amyloidal 4) Carb-loaded 5) Containing starch 6) Farinaceous 7) Formal 8) High-carb 9) Like pasta or potatoes 10) Like potatoes 11) Like potatoes or rice 12) Like rice and potatoes 13) Like taro or sago 14) Overly formal 15) Rigidly formal 16) Starchlike 17) Stiff 18) Stiff and formal 
• (a.) Consisting of starch; resembling starch; stiff; precise.
Starch'y adjective Consisting of starch; resembling starch; stiff; precise. 
[adj] - consisting of or containing starch 2. [adj] - rigidly formal
stiff adjective rigidly formal; `a starchy manner`; `the letter was stiff and formal`; `his prose has a buckram quality`
of, pertaining to, or of the nature of starch. · containing starch. · stiffened with starch. · stiff and formal, as in manner.