v1
v2
v3
v4
v5
100

fit one inside the other

nest (v)

100

working too much or too hard, often to the point of feeling exhausted or stressed.

*overworked (adj)

100

to think that something or someone is less important, powerful, or capable than they really are.

*underestimate (v)

100

to sleep longer than you intended, often causing you to be late for something important.

*oversleep (v)

100

to put one thing on top of another

*stack (v)

200

to focus on only the most important things and remove anything unnecessary, even if it feels tough to do so.

*ruthlessly (adv)

200

What can you break, even if you never pick it up or touch it?

A promise.


200

remove unnecessary stuff from something

clear the arteries of (something) (phr)

200

something or someone is not recognized or appreciated for their true worth or importance.

*undervalued (adj)

200

to get less sleep than you need, leading to tiredness or feeling unwell.

*undersleep (v)

300

something or someone is better or more valuable than most people realize or give credit for.

*underrated (adj)

300

to give tasks to a large group of people by asking on the internet

*crowdsource (v)

300

You’ll find me in Mercury, Earth, Mars and Jupiter, but not in Venus or Neptune. What am I?

The letter “R.”

300

stop inward movement

stem the inflow of (something) (phr)

300

Give me a drink, and I will die. Feed me, and I'll get bigger. What am I?

fire

400

stored electronically

*digitized (adj)

400

Which question can you never answer "yes" to?

"Are you asleep?"

400

having several different uses

*multifunctional (adj)

400

To have no sleep at all

*not sleep a wink (phr)

400

a word or phrase that is often repeated and expresses a particular strong belief

*mantra (n)

500

Sam's parents have three kids. Their names are Huey, Dewey, and _____?

Sam!

500

to do something too much or more than is necessary, which can lead to negative effects.

*overdo (something) (v)

500

Grandpa went for a walk, and it started raining. He forgot to bring an umbrella and didn’t have a hat. When he got home, his clothes were soaking wet, but not a hair on his head was wet. How was this possible?

Grandpa is bald.

500

stop increasing, but didn’t decrease

flat-line (v)

500

to take some time to think about a decision or problem, usually by waiting until the next day before making a final choice.

*sleep on it (phr)