Ill and Sick are most times considered as words that have almost the same meaning. Both words can be used to describe a feeling of unwell in someone's physical and health condition. The major difference between the two words in this context is that both words are not always used in the same way. For example, the word sick is most times used when referring to a short period state of unwell. When people have headaches, the word sick is often used to describe the condition.
While the word ill is used mostly for long term health issues. It is a common thing to see people using the word ill for someone who is suffering from a particular disease or infection. The word ill is often used in formal writing compared to 'sick.' Let's look at other ways of using these two words. The word ill can be used as the prefix. For example, ill can be attached with words like prepared, conceived, equipped to give something like ill-prepared, ill-conceived, ill-equipped, etc. This doesn't go with sick.
We often use the words “ill” and “sick” interchangeably in our today, this is because both words have a similar mean. When a person is not feeling to well it can be termed as being sick or ill. Sick is the less formal word. Many people use this to describe short term ailment such as a cold. It is also commonly used when a person has an urge to vomit (nausea). Sick is also used to describe someone that is mentally unstable or disturbed. It can also mean to be tired of or annoyed about something.
Example in a sentence: “I am sick of your silly attitude”. Ill is more formal. It is also used to describe the state of being unwell. It can also be used to describe something that is extremely bad when used as a prefix. Example in a sentence: “Mary is ill-mannered”. Hope you find this helpful.
Anyone afflicted with a disease or ailment is classified as a sick person. Sick is also used to designate a physical condition in which the person feels like vomiting. A sick mind is used to describe someone who is either institutionalized or someone who is suffering from a debilitating mental disability. Sick and tired is another way of describing what a person is weary and fed up of a person, thing, or situation.
In general, sick is a word that is used to describe some ailment which requires some medical attention or advice. A feeling of being unwell is defined as an illness. Ill is a more formal term to use for sick. It is used to describe when a person faces some physical challenge. The more intense the disease, the deeper the illness. The term sick is more often used in the context of someone feeling nauseated.
It is pretty common for people who are not feeling well to announce that they are either sick or ill. These are two terms that people use interchangeably probably because they seem to mean the same thing. Sick can be used for someone who is physically sick.
This means that the person is not feeling well physically. Some people also use the term “sick” when they want to say that they are bored with what they have been doing or using all this time. Ill is used when you are trying to describe what you are feeling unwell. There are instances when you just feel ill even if you feel that there is nothing physically wrong with you. You just feel that there is something that is off.
The two may actually mean the same thing but out of the two, sick is considered to be the less formal term that can be used. You may say that you are sick when you are just having a conversation with your family members and friends. For example, when you need to cancel hanging out with them because of your present condition, you may tell them that you are sick.
When you are creating a letter or letting your boss know that you will not go to the office, you may say that you are ill. Usually, ill can also be used to describe sickness that may be more mental as compared to physical. This explains why the term “mentally ill” is still being used right now.