Meaning of the word straightaway in English

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

straightaway

US /ˈstreɪt̬.əˌweɪ/
UK /ˈstreɪt.əˌweɪ/

Adverb

immediately; at once

Example:
He left the meeting and went home straightaway.
I'll deal with that problem straightaway.