If a person or their voice is croaky, their voice sounds rough because they have a sore or dry throat:
He has lost his sonorous voice and sounds a bit like a croaky Dalek.
SMART Vocabulary: related
words and phrases
(
Definition of croaky from the Cambridge Advanced Learner's
Dictionary & Thesaurus © Cambridge University Press)
He called into work with a croaky voice, saying he was ill.
I'm feeling much
better now but I'm still croaky.
More examples
You
sound quite croaky, have you got a sore throat?
It didn't
sound like her voice, it sounded harsh and croaky.
He spoke in a croaky whisper.
She opened her mouth like she wanted to scream, but all that came out was a croaky “Water…”