Meaning: The outer boundary of a circle or the perimeter of a circle.

Example Sentence: We had to circle the circumference of the lake 6 times to find where my phone had fallen.

Meaning: To translate, understand or make out what the meaning of something or someone implies.

Example Sentence: We had to hire and interpreter so that we could understand the signs and the people when we went to China.

Meaning: A person is described as irresponsible if he or she lacks the quality of responsibility. They don’t do what they are supposed to do, or forget/loose things that are very important and can cause lots of damage to others or some processes because of their actions.

Example Sentence: That man is very irresponsible, he forgot where his car keys and his house keys are.

Meaning: not personal; without reference or connection to a particular person.

Example Sentence: This matter is impersonal and you don’t have to bring our families into this discussion.

Meaning: The line formed by sewing together pieces of cloth, leather, etc..

Example Sentence: Please fold the cloths according to the seams on the sleeves.

Meaning:Not likely to happen or will not happen

Example Sentence:  It is improbable that you will be able to have an audience with the president without anyone else around, there will be too many guards.

Meaning: A distinctively shaped and marked float device. It is normally found on boats as a safety precaution.

Example Sentence: Throw him the buoy so that he doesn’t drown in the river!

Meaning: A campaign is a group of people that are in competition against another group of people (campaign) to win a post or prize. Normally these groups are part of government organizations and they are competing to become the leading/ruling party of that term.

Example Sentence: Barak Obama and the rest of the Democratic Campaign won the elections for the term of 2012 – 2016.