Very Easy
Easy
Medium
Hard
Very hard
100

An aim, a purpose

Goal

100

A person who flies an airplane or other aircraft 

pilot

100

scared; afraid

Frightened

100

a larger group of musicians who play classical mussic together 

orchestra

100

to go all the way around something

Encircle

200

Quiet, without any noise or sound

Silent 

200

the son of someone's son or daughter 

Grandson

200

to touch; to put in your hands

Handle

200

to take care of

look after 

200

Run by machines or some moving parts 

Mechanical

300

To move forward while turning round and round 

Roll

300

to make a hole in earth or sand

dig

300

to take place

happen

300

work hours that are at night, usually from 11 p.m. to 7 p.m.

night shift

300

Writing; a writing assignment

Composition

400

Missing; unable to be found 

Lost 
400

A place where airplane arrive and leave 

Airport 

400

area of study

Subject 

400

the area if the land outside the city; the country

countryside 

400

the making of lots of one thing at the same time 

mass production

500

To hold something so that its lower part is not touching anything 

hang

500

A baby or young dog

Puppy

500

the amount of rain that falls in an area

rainfall 

500

the country someone comes from

Nationality 

500

logical; examining very carefully

analytical