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42,394 words to explore
1,392 words
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sense organ
A body part, such as the eye or ear, that receives information.
separation of powers
Dividing government power among separate branches so no single group controls everything.
serve someone right
Give someone the punishment they deserve.
settlement
establishment of a community in a new area
sewage
Waste water and excrement from homes and businesses.
shipping
The sending of goods to customers.
short end of the stick
Receive the least favorable outcome.
show up
to arrive at a place
shuttle
A vehicle that travels back and forth.
sign up for
To put your name on a list to join a class, group, or activity.
sign-up
The act of putting your name on a list to take part in something.
significance
The importance or meaning of something.
sing another tune
To change your opinion or attitude, often completely.
sink in
to be fully understood.
sit in for
temporarily replace someone.
site
A specific location or place for an activity.
skeletal system
All the bones in the body and the tissues connecting them.
skyscraper
A very tall building in a city.
slavery
The condition of being owned and forced to work.
sleep on it
To wait until the next day before making an important decision.
slightly
a small amount; not much.
slip someone's mind
forgotten unintentionally
smell a rat
To suspect something is wrong.
snap out of it
To stop feeling sad or acting strangely and return to normal.
Words selected by Inoh for the TOEFL iBT test. Not an official ETS list. How these words were chosen →