Firsthand ( adjective , adverb )

(As an adjective)

Firsthand ( adjective )

1. Based on one's own personal experience or observation; direct.
2. Coming from or known by the direct experience of the person involved; original.
3. Obtained from or coming from the original source.

Origin:

First recorded in 1838, from first + hand.

Examples:

1. He had firsthand knowledge of the event.
2. The reporter's account was based on firsthand observations.
3. The book is a firsthand account of the war.
4. The information is firsthand and can be trusted.
5. The witness provided firsthand testimony of the accident.

(As an adverb)

Firsthand ( adverb )

1. Based on one's own personal experience or observation; direct.
2. Coming from or known by the direct experience of the person involved; original.
3. Obtained from or coming from the original source.

Origin:

First recorded in 1838, from first + hand.

Examples:

1. He had firsthand knowledge of the event.
2. The reporter's account was based on firsthand observations.
3. The book is a firsthand account of the war.
4. The information is firsthand and can be trusted.
5. The witness provided firsthand testimony of the accident.