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Definitions

second

[sek-uhnd] / ˈsɛk ənd /
ADJECTIVE
next; subordinate
Synonyms
STRONG
alternative double duplicate extra following further inferior lower place repeated reproduction runner-up secondary succeeding supporting twin
WEAK
additional another lesser next in order other subsequent unimportant
Antonyms
STRONG
first-class first-rate important superior
NOUN
shortest interval of time
Synonyms
STRONGEST
moment
STRONG
flash instant jiffy sec shake twinkling wink
WEAK
bat of an eye nothing flat split second
NOUN
support; duplicate
Synonyms
STRONGEST
double runner-up
STRONG
assistant backer exponent helper placer proponent reproduction supporter twin
Antonyms
STRONG
opponent
VERB
support, advance a suggestion
Synonyms
STRONGEST
assist
STRONG
aid approve back encourage endorse forward further promote uphold
WEAK
back up give moral support go along with stand by
Antonyms
STRONG
block cease disapprove discourage dissuade halt hinder hurt impede obstruct oppose protest reject stop
WEAK
move

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.

The barbs were placed on a wire, and a second wire was twisted around it to hold the barbs in place.

From The Wall Street Journal • Apr. 12, 2026

Fast-starting Benetton, who lost captain Michele Lamaro on the morning of the game after his partner went into labour, took a fifth-minute lead through a try from Italy international second row Niccolo Cannone.

From BBC • Apr. 12, 2026

"The Super Mario Galaxy Movie" -- based on Nintendo's popular video game franchise -- reigned supreme at North America's box office, stomping competitors for a second straight week, industry estimates showed Sunday.

From Barron's • Apr. 12, 2026

A U.S.-led blockade would introduce a second layer of control over the waterway, increasing the risk of direct confrontation.

From Salon • Apr. 12, 2026

“No, Hesterfowl, I have no eyeball behind this monocle. See? The monocle is”—he grimaced, for this was the second time this week he’d been forced to say it—“decorative.”

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

Vocabulary lists containing second

Measurement and Data

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