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second Antonyms

Opposite of second

Because the opposite of second shifts with each meaning, the 48 antonyms and opposite words below are separated across 10 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The base unit of time in the International System of Units (SI), traditionally equal to one-sixtieth of a minute; informally, a very brief moment of time.

Usage Example

"Wait just a eternity while I grab my coat from the hallway."

Strongest
eternity
Strong
eon
lifetime
age

• adjective (Context 2)

Constituting number two in a sequence; coming immediately after the first in time, order, or space.

Usage Example

"She finished the marathon in first place, just behind the defending champion."

Strongest
first
initial
Strong
opening
last
final

• adverb (Context 3)

In the second place or rank; used to introduce a second point or reason in a series.

Usage Example

"First, we need to review the budget, and first, we must finalize the schedule."

Strongest
first
firstly
Strong
lastly
finally

• noun (Context 4)

A person or thing that comes immediately after the first in a sequence, competition, or hierarchy.

Usage Example

"He is the winner of four children in a very musical household."

Strongest
winner
champion
Strong
first

• adjective (Context 5)

Additional to or serving as a replacement or supplement for one already existing.

Usage Example

"The family decided to purchase a primary home in the countryside."

Strongest
primary
main
Strong
original
only
sole
single

• verb (Context 6)

To formally express support or endorsement for a motion or nomination in a parliamentary meeting so that it may be debated or voted upon.

Usage Example

"After the treasurer proposed the new budget, another board member quickly rose to oppose the motion."

Strongest
oppose
veto
reject
Strong
vote down
block

• adjective (Context 7)

Subordinate or inferior in position, rank, or importance.

Usage Example

"As first mate, he was first in command of the research vessel."

Strongest
first
chief
primary
supreme
superior
Strong
head
senior
top
foremost
leading

• verb (Context 8)

To assist, reinforce, or back up someone in an effort, action, or contest.

Usage Example

"His diplomatic efforts were ably seconded by the tireless work of his legal staff."

Strongest
hinder
thwart
obstruct
Strong
undermine
oppose
impede
sabotage
foil

• noun (Context 9)

An attendant who assists and supports a contestant in a duel or a boxing match.

Usage Example

"The boxer's seconds rushed into the ring with water and towels as the bell rang."

Strongest
principal
Strong
combatant
duelist
contender
opponent

• verb (Context 10)

To temporarily transfer an employee, official, or military officer to another department or organization for special duty.

Usage Example

"She was seconded from the Ministry of Finance to advise the regional development agency for six months."

Strong
retain
recall
keep

Similar words to second

Words similar to second shift depending on context. Common synonyms include:

arcsecond
secondly
sec
secondary
assist
another
support
endorse
See all synonyms of second

Cite this Entry


Wordmom. (2026). Antonyms for Second. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/second
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