To talk or do things with each other.

sentence worded or expressed so as to elicit information. What you ask about; issues. To have or express concerns or uncertainty.

Study of the physical world, based on facts.

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

education or training received. To teach or train someone to know or do something.

causing great surprise or wonder. To cause wonder; to surprise completely.

used as object of verb or preposition when this is same as subject of clause.

For a reason.

father or mother. Person's, animal's mother and father. be parent to.

anxious or troubled about actual or potential problems. To cause concern or trouble over something.

arithmetical value expressed by word, symbol, or figure. Symbols such as 1, 2, 56, 793. To put numbers on things.

The act of moving through water. To move through water by moving parts of the body.

To calculate how much something will cost.

To become aware by sight, touch, or hearing.

thing said in response to another. Replies to a question someone asked. To solve a test question or a problem.