addiction (n) addictive (adj)

​a strong desire to do something regularly

I have a chocolate addiction. I can't stop eating it.

Social media is addictive. Teenagers will check it all the time and cannot live without it.

advertise (v)

​to persuade someone to buy something

The Social Service Club advertised the cookie sale by sending an email to everyone.

affect (v)

to influence

If I drink too much coffee, it affects my sleep at night.

battle (n)

​a fight

I have a big battle to get up early after the holidays.

The tennis match between the top two players was a battle.

cut down on (v)

​to reduce

If you want to lose weight, you need to cut down on snacks.

drug (n)

​a chemical that affects the body

The nurse gave me a drug for my headache.

efficient (adj)

​not wasting time or energy

Makoto is an efficient student who gets his homework done during study hall.

I am not very efficient in the morning. I'm too sleepy.

encourage (v)

​to persuade

Mr. Doyle encourages us to speak English during the holidays.

My parents encouraged me to do a homestay in London during the summer break.

facilities (n)

​places/buildings used for certain activities

This hotel has nice facilities like a big pool and a sauna.

manufacturer (n)

a company that makes goods

Uniqlo is a manufacturer of men's and women's clothes.

obvious (adj)

​easy to see or understand

It's obvious that Kenji is tired because he fell asleep during the meeting.

recommend (v)

​to suggest

My friend recommended this bakery because the cheesecake is delicious.

store (v)

to keep something

KLAS students store their suitcases in the 4th floor storage room.