aware

Knowing that something exists or is happening.

• I am aware of the problem.
• We became aware that someone was following us.
• Were you aware of these changes?

How to use it: aware of someone/something (Are you aware of the risks?); aware that… (She was aware that the deadline had changed.)

Similar words: conscious, informed

Opposites: unaware

Common phrases: aware of something, fully aware, become aware

Paying close attention so you notice danger or problems.

• Stay aware while walking home.
• Drivers must remain aware at busy crossings.
• She was tired but still aware and ready to react.

Similar words: alert, watchful, vigilant

Opposites: inattentive

Common phrases: stay aware, remain aware, aware and alert