drowsiness
2 synonyms and 2 antonyms for drowsiness, grouped by meaning and by how common each one is.
Noun — The state of feeling sleepy and not fully alert.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
sleepiness
somnolence
Antonyms
How to use drowsiness
The word patterns that sound natural to a native speaker.
cause drowsiness
cause of drowsiness
drowsiness and dizziness
fight off drowsiness
It is a neutral word that suits both everyday speech and medical or safety writing.
Etymology
The word is formed in English from the adjective drowsy plus the suffix -ness, which turns an adjective into a noun for a state.
Full origin of drowsiness →Frequently asked questions
What does drowsiness mean?
Drowsiness is the state of being drowsy, meaning sleepy and not fully alert.
Is drowsiness countable?
It is usually uncountable, so you normally say drowsiness rather than a drowsiness. The plural drowsinesses exists but is rare.
What is the difference between drowsiness and tiredness?
Drowsiness is the specific feeling of being ready to fall asleep, while tiredness is a broader lack of energy that does not always make you sleepy.
