Meaning of the word "fumble for words" in English

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

fumble for words

US /ˈfʌm.bəl fɔr wɜrdz/
UK /ˈfʌm.bəl fɔː wɜːdz/

Idiom

to speak in a hesitant or confused way, often because one is nervous or unsure of what to say

Example:
When asked about his plans, he started to fumble for words.
She was so nervous during the presentation that she kept fumbling for words.