Definitions

1. verb

to approach or attack someone with a challenge or demand, typically in a bold or aggressive manner

“The salesman accosted us on the street, trying to sell us a new car.”

2. verb

to approach someone in a friendly or familiar manner

“The friend accosted me with a warm hug and a smile.”

3. noun

a person who accosts or challenges someone, especially in a bold or aggressive manner

“The aggressive accosters on the street were causing a disturbance.”