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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 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

The Angels sold 2.6 million tickets last year, a testament to the strength of the market amid a second consecutive last-place finish.

From Los Angeles Times • Apr. 4, 2026

Iran's military says it has downed a second US military jet in the Gulf, according to state media.

From Barron's • Apr. 4, 2026

I’m a full tenth of a second faster than my personal best.

From "Red Flags and Butterflies" by Sheryl Azzam

second

Example Sentences

Related Words