Front

acquaintance

Back

someone you know, but not very well

Front

Opponent

Back

someone who is against you in a competition

Front

Enemy

Back

a person who wishes to harm you

Front

Partner

Back

someone you team up with, often to do a job

Front

Nibble

Back

to take small bites or eat a small amount of food

Front

Snack

Back

to eat a little, usually between meals

Front

Munch

Back

to chew steadily and sometimes loudly

Front

Devour

Back

to eat hungrily until nothing is left

Front

Chow Down

Back

to eat a large meal, sometimes very fast