To refer to or talk or write about something.

unwelcome or harmful matter. Questions to show understanding of a math concept.

statement of truth. Taking responsibilities for an error or mistake.

striving to achieve or attain something in face of difficulty or resistance. To try very hard to do something difficult.

rise in size, amount, or degree of something. become or make greater in size or degree.

In the direction of someone or something.

Concerning a person's private life or feelings. advertisement in personal column of newspaper.

remark expressing opinion. Some things you say, giving opinions; remarks. express opinion.

Something that is hard to do.

To guard a place or people; protect child, etc..

talk about something with person or people.

containing as part of whole being considered. To make someone, something part of a group.

plan for carrying out process or procedure, giving lists of intended events and times. To plan to do something at a certain time.

Using little time or resources.

person who is studying at university or other place of higher education. People studying at school.