English dictionary, thesaurus, translations & etymology
FreeDict.com
noun Uncommon

insomnia

ihn-SOM-nee-uh

Insomnia (noun) means a disorder or ongoing difficulty falling or staying asleep. Example: “His insomnia left him exhausted most mornings.”

noun
1
A disorder or ongoing difficulty falling or staying asleep.
"His insomnia left him exhausted most mornings."
"Stress and caffeine are common causes of insomnia."

How to use insomnia

Learner’s notes

In plain EnglishTrouble sleeping, whether it's a one-off bad night or an ongoing condition.

Common pairings
chronic insomnia suffer from insomnia

Word forms

insomnias plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “insomnia” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

His _____ left him exhausted most mornings.

Etymology

Borrowed from Latin insomnia, from in- ("without") + somnus ("sleep").

Origin: Latin

Antonyms

hypersomnia

Related words

Rhymes for insomnia

See all rhymes for insomnia →

Frequently asked questions

What does “insomnia” mean?

The word “insomnia” means a disorder or ongoing difficulty falling or staying asleep. In plain terms, trouble sleeping, whether it's a one-off bad night or an ongoing condition.

How do you pronounce “insomnia”?

“Insomnia” is pronounced ihn-SOM-nee-uh (/ɪnˈsɒmniə/ in IPA).

How do you use “insomnia” in a sentence?

Here is “insomnia” used in a sentence: “His insomnia left him exhausted most mornings.”

What is another word for “insomnia”?

Words with a similar meaning to “insomnia” include sleeplessness.

What is the opposite of “insomnia”?

The opposite of “insomnia” — its antonyms — is hypersomnia.

What part of speech is “insomnia”?

“Insomnia” is a noun.

Where does the word “insomnia” come from?

The word “insomnia” comes from Latin. Borrowed from Latin insomnia, from in- ("without") + somnus ("sleep").

Is “insomnia” a common word?

“Insomnia” is an uncommon word in modern English.

People also searched

Definitions: FreeDict original editorial