The smallest basic unit of a plant or animal.
Money earned when selling goods at a price higher than their cost of production.
The physical health and happiness, usually of a person or animal.
Good use of time and energy to achieve specific goals.
Something that is not enjoyable but sad.
Something very large in amount or number.
Something extremely bad or very serious.
The state of someone or something being safe from injury, damage or loss.
Violent behavior that causes pain to people or animals.
Something very important that needs to be dealt with as soon as possible.
efficiency
cell
unpleasant
massive
urgent
profit
welfare
cruelty
severe
protection