Pioneer C1/C2/Unit 4- Comp. pg 57-58

defrost

make or become free of frost or ice

immobile

(adj.) not movable; not moving

immigrant

a person who comes to a country where they were not born in order to settle there

underestimation

an estimation that is too low

malformed

badly shaped

legible

easily read

good-humoured

friendly or in a good mood

malnourished

having bad health or having poor nutrition

overestimation

instance of people thinking they are better than they are

instability

lack of stability

uninformed

not knowing enough about a topic to have formed an opinion

non-resident

one whose primary residence is in another state.

oversleep

sleep longer than intended

undernourishment

the result of a diet that consistently supplies less chemical energy than the body requires

maltreat

to abuse

undercharge

to charge less money

devalue

to lessen in value or strength

underpay

to pay too little

dehydrate

to remove water from

overcrowded

too crowded

uninhabitable

unable to support human life and settlements

overpay

v. to pay or reward in excess.