Englishfor English speakers
infectious
—
adjective
(= infective)
caused by infection or capable of causing infection
viruses and other infective agents
a carrier remains infective without himself showing signs of the disease
—
adjective
easily spread
fear is exceedingly infectious; children catch it from their elders
— Bertrand Russell
—
adjective
of or relating to infection
infectious hospital
infectious disease
disease
Noun
—
If a person, animal, or plant is ill, it has a disease.
1.4 million children suffer from heart disease in Pakistan.
There are many different germs which cause diseases.
disease
Verb
—
To cause unease; to annoy, irritate.
—
To infect with a disease.
officer
Noun
—
An officer is a person in an army who has much authority. A general and a captain are two types of officers.
A soldier must obey his commanding officer.
—
An officer is a policeman, often called a "police officer." (Note, "officer" is often better than "policeman" because the officer could be a woman or a man.)
Officer, can you help me, I've been robbed.
The thief was taken to jail by the officers.
He was arrested for hitting an officer.
—
An officer is someone who holds office (meaning, has authority).
The judge is an important officer of the court.
She is the chief executive officer, or CEO, for our company.