pre-school level
difficult
super difficult
insanely difficult
out of this world difficult
100

skeleton:

an internal or external framework of a bone.

100

encounter:

unexpectedly experience.

100

endeavor:

try hard to do or achieve something.

100

shoulder:

the upper joint of a human arm.

100

escalator:

a moving staircase.

200

interior:

situated within or inside.

200

forbidden:

not allowed, banned.

200

    acquittal:

a judgment that a person is not guilty.

200

governor:

an official appointed to govern a town, city, state or region.

200

skeleton:

an internal or external framework of a bone.

300

accelerator:

a device that controls the speed of a machine.

300

durable:

able to withstand wear, pressure, or damage.

300

sponsor:

an individual or an organization who pays some or all of the costs involved in an event.

300

ancestor:

a person from whom one descended.

300

hospital:

an institution providing medical treatment.

400

identical:

similar in every detail.

400

grumble:

complain or protest about something.

400

interpreter:

a person who interprets and then translates speech orally.

400

outspoken:

stating one’s opinion in a direct manner.

400

cinnamon:

an aromatic spice made from the bark of a Southeast Asian tree.

500

bachelor:

a man who is not and has never been married.

500

abandon:

cease to support or to look after someone or something.

500

superior:

higher in rank, status, or quality.

500

lengthen:

make or become longer.

500

misdemeanor:

minor wrongdoing.

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