Definition
Having a very high and sharp sound that can be unpleasant to hear.
Example
The shrill whistle of the train could be heard from miles away.
Comparatives & Superlatives
Comparative: shriller
Superlative: shrillest
Conversation

Did you hear that shrill sound coming from the park yesterday?

Yeah, it was so piercing; I couldn't believe it!

I wonder what made such a shrill noise like that.

Maybe it was just the kids playing with a whistle or something.
Synonyms & Antonyms
Definition
To make a high-pitched and piercing sound.
Example
The bird began to shrill loudly at dawn.
Tense Forms
Past: shrilled
Past Participle: shrilled
Conversation

Did you hear that shrill noise coming from the park?

Yeah, it sounded like a bird or something.

I wonder what could have made such a shrill sound.
Definition
A high-pitched and piercing sound that is often unpleasant to hear.
Example
The shrill of the alarm clock woke me up suddenly.
Conversation

Did you hear that shrill sound coming from the park earlier?

Yeah, it was so loud and piercing, it startled me!

I wonder what caused that shrill noise.
Definition
To make a high-pitched and piercing sound, often in a loud or unpleasant way.
Example
The child shrilled with excitement when she saw the puppy.
Tense Forms
Past: shrilled
Past Participle: shrilled
Conversation

Did you hear her shrill scream when she saw the spider?

Yeah, it was hilarious! I didn’t know she could be that loud.

I thought the whole neighborhood would hear her shrill voice.
Root Explanation
The word 'shrill' originates from Old English 'scrīll', meaning high-pitched or piercing. It describes a sound that is sharp and loud, often unpleasant to hear.
Memory Tip
Think of a sound that is 'piercing' or 'high-pitched' — that's what 'shrill' means.
Visually Confused Words
shill
unshrill
thrill
shilla
subthrill
sill
shearbill
rill