Translation guide
A formal linking adverb used to add information, often in writing or speeches. In Japanese, the equivalent expressions vary by formality and sentence position.
To introduce an additional supporting point in formal writing or speeches.
The most common and versatile formal additive. Used at the beginning of a sentence or clause.
Furthermore, this plan has many advantages.
Common in both spoken and written Japanese, but slightly less formal than さらに. Often used to add a related point.
Furthermore, we must consider the impact on the environment.
Literally 'in addition', used in formal contexts. Often followed by a comma.
Furthermore, new regulations were introduced.
Slightly more emphatic, meaning 'on top of that'. Used in both formal and informal contexts.
Furthermore, he didn't keep his promise.
To add information in everyday conversation.
All three can be used in formal writing. さらに is the most direct equivalent of 'furthermore'. また is slightly more casual and can also mean 'also' or 'again'. 加えて is very explicit about adding information and is common in business or academic contexts.
Furthermore, I will explain the details later.
Furthermore, this problem has occurred before.
Furthermore, the participation fee is free.
Using さらに in casual conversation can sound overly formal or stiff. Opt for それに or しかも instead.
しかも、彼は一人でそれをやったんだ。
Furthermore, he did it all by himself.