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nailed down

ADJECTIVE

assured

Synonyms

STRONGEST

guaranteed settled sure

STRONG

cinched clear-cut clinched confirmed decided racked sealed secure set

WEAK

beyond doubt definite in the bag indubitable irrefutable made certain on ice positive pronounced sewed-up surefire undoubted unquestionable

Antonyms

STRONGEST

indefinite uncertain unsure

STRONG

undecided vague

WEAK

doubted doubtful

ADJECTIVE

definitive

Synonyms

STRONGEST

actual categorical clear-cut conclusive decisive definite exhaustive precise reliable specific ultimate unambiguous

WEAK

absolute closing complete completing concluding determining downright ending express final finishing flat out last limiting perfect plain real settling straight out terminal terminating

Antonyms

STRONGEST

ambiguous false imprecise indefinite inexact questionable uncertain vague

WEAK

incomplete inconclusive interim temporary unreliable

ADJECTIVE

exact

Synonyms

STRONGEST

accurate correct definite explicit identical literal perfect rigorous specific true

STRONG

clear clear-cut express right

WEAK

bull's-eye careful dead on distinct downright faithful faultless methodical nice on the button on the money on the numbers on-target orderly particular precise right on sharp unequivocal unerring veracious verbal verbatim

Antonyms

STRONGEST

flawed imprecise inaccurate indefinite inexact loose obscure uncertain vague wrong

STRONG

ambiguous fuzzy

WEAK

approximate careless incorrect uncareful unreliable

ADJECTIVE

immobile

Synonyms

STRONGEST

immovable stagnant static stationary

WEAK

anchored at a standstill at rest frozen immobilized immotile nailed pat quiescent rigid riveted rooted stable steadfast stiff still stock-still stolid unmovable unmoving

Antonyms

STRONGEST

mobile moving unfixed

WEAK

movable

ADJECTIVE

incontrovertible

Synonyms

WEAK

accurate authentic certain established incontestable indisputable indubitable irrefutable no mistake no two ways about it positive sure sure thing surefire uncontestable undeniable unequivocable unquestionable unshakable

Antonyms

WEAK

changeable controvertible questionable uncertain variable

ADJECTIVE

open and shut/open-and-shut

Synonyms

WEAK

apparent assured cinched clear clear as a bell clear-cut conclusive cut and dried distinguishable easy evident explicit glaring guaranteed iced in the bag indisputable obvious ordinary plain routine self-evident self-explanatory sewn-up simple straightforward undeniable undisguised unmistakable

ADJECTIVE

secure

Synonyms

STRONGEST

able confident easy reliable solid stable strong sure

STRONG

assured balanced cinch determined established firm reassured settled sound steady

WEAK

absolute at ease carefree conclusive hopeful in the bag locked on on ice resolute sanguine self-assured self-confident steadfast sure thing tried-and-true unanxious undoubtful well-founded

Antonyms

STRONGEST

uncertain unreliable unsure wobbly

STRONG

irresolute unsound unstable wavering

WEAK

indefinite undecided

ADJECTIVE

stationary

Synonyms

STRONGEST

immobile motionless parked stagnant static

WEAK

anchored at a standstill inert moored nailed pat permanent stable standing stock-still unmoving

Antonyms

STRONGEST

active mobile moving

WEAK

restless unfixed unsteady

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 series, which ran from 1983 to 1985, nailed down He-Man’s iconic battle cry, “I have the power!” and continued to expand the hero’s reach.

From Los Angeles Times • Apr. 30, 2026

Fearless and fiery, the 23-year-old left-hander has nailed down a spot in a competitive Indian batting line-up after averaging 49.29 in his 40 T20 internationals to date, with two centuries.

From Barron's • Feb. 5, 2026

There’s fun to be had in there, and Nintendo has that category nailed down.

From Barron's • Dec. 10, 2025

MacIntyre moves up 11 places to ninth in the FedEx Cup rankings and has officially nailed down his Ryder Cup spot, alongside Rory McIlroy, Tommy Fleetwood, who tied for fourth, and Justin Rose.

From BBC • Aug. 17, 2025

There is a sound of hammering; it is the box being nailed down.

From "Dracula" by Bram Stoker

nailed down

Example Sentences

Related Words