The suffix -ant means "tending to" and the word root -vig- means "watchful." Which word is the best synonym for vigilant?

alert

alive

absentminded

asleep
help

Alert

The best synonym for vigilant would be "alert."

To find the best synonym for vigilant, we need to understand the meaning of the word "vigilant" and consider the definitions of the given options.

Vigilant means being watchful, attentive, and observant. It implies being alert to potential dangers or threats.

Now let's examine the options:

1. Alert: This word means being attentive, aware, and ready to react. It aligns closely with the definition of vigilant, making it a suitable synonym.

2. Alive: This word refers to being living or having life. Although being alive implies being aware, it does not specifically convey the sense of watchfulness associated with vigilant.

3. Absentminded: This word describes someone who is forgetful or preoccupied, a trait that is the opposite of vigilant. It is therefore not a synonym for vigilant.

4. Asleep: This word signifies being in a state of sleep or unconsciousness, which is entirely different from being vigilant. It is not a synonym for vigilant.

Based on the definitions and meanings of the options provided, "alert" is the best synonym for "vigilant."