straightlaced Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. having strict moral standards and rules. Example Sentence She is a straightlaced person. More Example Sentences His straightlaced nature surprised everyone. Synonyms prim; proper; austere Antonyms easygoing; relaxed; carefree Hear It! Say It! Write It! straightlaced Switch to cursive Start Share with your friends: