sc

scathing (adj.) sharp, critical, hurtful (Two hours after breaking up with Russell, Suzanne thought of the perfect scathing retort to his accusations.)

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scintillating (adj.) sparkling (The ice skater’s scintillating rhinestone costume nearly blinded the judges.)

scrupulous (adj.) painstaking, careful (With scrupulous care, Sam cut a snowflake out of white paper.)

scurrilous (adj.) vulgar, coarse (When Bruno heard the scurrilous accusation being made about him, he could not believe it because he always tried to be nice to everyone.)