1) American play 2) Barbecued 3) Blackened 4) Blackened a bit 5) Browned at high heat 6) Browned quickly 7) Burned 8) Burned a bit 9) Burned superficially 10) Cauterized 11) Charred 12) Charred on the surface 13) Charred the outside of 14) Cooked 15) Like some scallops 16) Like some sesame-crusted tuna 1) Cooked 2) Parched 
• (a.) Scorched; cauterized; hence, figuratively, insensible; not susceptible to moral influences. • (imp. & p. p.) of Sear
Seared adjective Scorched; cauterized; hence, figuratively, insensible; not susceptible to moral influences. « A seared conscience and a remorseless heart.» Macaulay. 
[adj] - having the surface burned quickly with intense heat
adjective having the surface burned quickly with intense heat; `the seared meat is then covered with hot liquid for braising`