Meaning of the word apace in English

What does apace mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

apace

US /əˈpeɪs/
UK /əˈpeɪs/

Adverb

quickly; swiftly

Example:
The construction of the new building is proceeding apace.
Technology is advancing apace, changing our lives daily.