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Definitions

sedation

[si-dey-shuhn] / sɪˈdeɪ ʃən /
NOUN
moderateness
Synonyms
STRONG
balance calmness composure constraint coolness dispassionateness equanimity fairness forbearance judiciousness justice justness lenity measure mildness patience poise quiet reasonableness restraint sedateness sobriety steadiness temperance toleration
WEAK
golden mean
Antonyms
STRONG
agitation arousal discomposure injustice partiality unfairness upset wildness
NOUN
moderation
Synonyms
STRONGEST
calmness fairness patience restraint
STRONG
balance composure constraint coolness dispassionateness equanimity forbearance judiciousness justice justness lenity measure mildness moderateness poise quiet reasonableness sedateness sobriety steadiness toleration
WEAK
golden mean
Antonyms
STRONGEST
agitation
STRONG
discomposure upset
WEAK
extreme indulgence intemperance intensity outrageousness severity unlimitedness violence wildness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Once the sedation took effect the team had one minute to free him before there was serious risk of breathing difficulties.

From BBC • Apr. 1, 2026

Adiche and her family have accused Euracare of negligence, saying medics denied Nkanu oxygen and gave him too much sedation, causing a cardiac arrest.

From BBC • Feb. 26, 2026

These adverse events included dizziness, sedation, and nausea, with increases described as moderate to large.

From Science Daily • Dec. 30, 2025

Kotcheff’s daughter Kate Kotcheff said via email that he died peacefully while under sedation Thursday night in a hospital in Nuevo Nayarit, Mexico.

From Los Angeles Times • Apr. 11, 2025

The doctors encouraged her to take a rest—Ernest would be slow coming out of sedation, they said—so she repaired to a late-night coffee shop.

From "Big Science" by Michael Hiltzik