The word “Indolent” should remind you of a lazy, idle person. Look at the word carefully, “Indolent” contains all the letters in the word “idle”. Such a person is not just lazy, he/ she is habitually lazy!
The word “prodigy” should remind you of kid who is a professional at whatever he/ she does!
“Circumscribe” should remind you of the circumference of a circle.
“Calumny” should remind you of someone who makes callous statements about you with the intention of bringing calamity in your life. Beware of those people and keep them at a safe distance! Remember thus.
“Prose” is defined as “ordinary writing”. And ordinary is boring, unimaginative, uninspiring. So, “Prosaic” is anything which reminds you of a lengthy piece of writing in which you are being unable to generate any interest.
“Fastidious” should remind you of a person who is very “fast” in cleaning any dirt in her room. She cleans the room very fast, every nook and cranny, to the last detail!
“Obstreperous” may be thought of as a combination of the words “Obstruction” + “Onerous“. Think about an unruly kid who creates obstruction by being very loud and clamorous, making him very difficult to control.