1. To this time; till now; to this place.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• highert,
• otherto,
• hiterto,
• eithert,
• githerto,
• bitherto,
• nitherto,
• jitherto,
• uitherto,
• hithertoo,
• hithurto,
• hitharto,
• thutherto,
• thiterto,
• thithherto,
• disherro,
• sitherna,
• Whitherlok,
• Withelton,
• hicheti

• hitter.

The adjective form of the word "hitherto" is "hitherto".

The plural form of the word "hitherto" is "hithertos".

The singular form of the word "hitherto" is "hitherto". The word itself is an adverb and does not have a distinct singular form.