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keep a straight face
To avoid laughing or smiling when something is funny.
keep clear of
To stay away from something or someone to avoid trouble or danger.
keep in touch
To continue talking or writing to someone who lives or works far away.
keep on one's toes
To stay alert and ready for anything unexpected.
keep one's nose to the grindstone
To keep working very hard for a long time.
keep one's shirt on
To stay calm and be patient instead of getting angry.
keep to oneself
To stay quiet and avoid spending much time with other people.
keep track of
To pay attention to something so you always know its current state.
keep up with
To move or progress at the same speed as someone or something.
kick around
To discuss an idea casually to see whether it could work.
kick off
to start something, especially an event
kick the habit
stop a bad behavior.
kindergarten
the period of early childhood education
kinetic
Related to motion or movement.
kinetic energy
The energy an object has because it is moving.
kingdom
a classification in biology
kinship
A connection based on family or relationship.
knock it off
to stop doing something annoying
knock oneself out
Put in a lot of effort or energy.
Words selected by Inoh for the TOEFL iBT test. Not an official ETS list. How these words were chosen →