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Definitions

inside

[in-sahyd, in-sahyd, in-sahyd, in-sahyd, in-sahyd, in-, in-sahyd] / ˌɪnˈsaɪd, ˈɪnˌsaɪd, ˌɪnˈsaɪd, ˈɪnˈsaɪd, ˌɪnˈsaɪd, ˈɪn-, ˈɪnˌsaɪd /
ADJECTIVE
in the middle; interior
Synonyms
STRONGEST
indoors
STRONG
central
WEAK
inner innermost internal intramural inward surrounded under a roof
Antonyms
WEAK
exterior external known outer outside public
ADJECTIVE
secret
Synonyms
STRONG
classified closet exclusive limited private
WEAK
confidential esoteric hushed internal restricted
Antonyms
STRONG
unlimited unrestricted
WEAK
exterior external known outer outside public
ADVERB
within
Synonyms
STRONGEST
indoors
WEAK
under a roof under cover within doors within walls
Antonyms
WEAK
exterior outside
NOUN
middle, lining
Synonyms
STRONGEST
innards interior
STRONG
belly bowels breast center contents gut heart recess soul stuffing womb
WEAK
inner portion
Antonyms
STRONG
exterior exteriority outside periphery

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.

They found that phosphatidylserine, a fatty molecule normally located on the inside of a neuron's membrane, had shifted to the outer surface.

From Science Daily • Apr. 11, 2026

Migrants were encouraged to rate their journeys in videos filmed inside lorries or boats or via social media channels including Telegram and TikTok.

From BBC • Apr. 10, 2026

The fog of war is especially thick when there’s no way to see inside the processes that really matter.

From The Wall Street Journal • Apr. 10, 2026

In this case, the virus has been modified to replicate only inside tumor cells, causing them to burst, while simultaneously triggering a more aggressive immune response from the body’s own white blood cells.

From Barron's • Apr. 10, 2026

The inside was weatherproof enough to keep out rain.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith