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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.

On Saturday, Turkey's transport minister said that a second Turkish-flagged vessel had crossed the strait - one of 15 that had been waiting to transit since hostilities erupted.

From BBC • Apr. 4, 2026

“Can’t Stop,” the second single from the band’s Grammy-winning 2002 album “By the Way,” is their longest-charting hit.

From Salon • Apr. 4, 2026

The second star they examined that night, labeled SDSSJ0715-7334, quickly stood out.

From Science Daily • Apr. 4, 2026

Over the next two years, shares of Palantir soared more than 10-fold, and in the second quarter of 2025, the company surpassed $1 billion in revenue.

From MarketWatch • Apr. 4, 2026

In the second, E stood with a cousin.

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

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.