Synonyms for Nailed down:

• adj.

  •assured (adjective)
  • definite,
  • fixed,
  • sealed,
  • unquestionable,
  • ensured,
  • irrefutable,
  • dependable,
  • undoubted,
  • clear-cut,
  • guaranteed,
  • sure,
  • set,
  • insured,
  • pronounced,
  • clinched,
  • confirmed,
  • indubitable.
  •authoritative (adjective)
  • definitive.
  •definitive (adjective)
  • flat out,
  • actual,
  • ultimate,
  • complete,
  • last,
  • finishing,
  • completing,
  • reliable,
  • unambiguous,
  • ending,
  • decisive,
  • closing,
  • specific,
  • real,
  • perfect,
  • exhaustive,
  • plain,
  • precise,
  • absolute,
  • categorical,
  • Terminating,
  • concluding,
  • express,
  • limiting,
  • determining,
  • conclusive,
  • downright,
  • settling.
  •exact (adjective)
  • distinct,
  • methodical,
  • clear,
  • faithful,
  • correct,
  • careful,
  • nice,
  • faultless,
  • rigorous,
  • bull's-eye,
  • explicit,
  • verbal,
  • sharp,
  • right,
  • literal,
  • true,
  • particular,
  • unequivocal,
  • verbatim,
  • orderly,
  • right on.
  •immobile (adjective)
  • static,
  • stolid,
  • pat,
  • rigid,
  • stable,
  • quiescent,
  • immobilized,
  • frozen,
  • unmoving,
  • Anchored,
  • still,
  • rooted,
  • unmovable,
  • stagnant,
  • stock-still,
  • Nailed,
  • steadfast,
  • stiff.
  •incontrovertible (adjective)
  • certain,
  • authentic,
  • undeniable,
  • sure thing,
  • incontestable,
  • unshakable,
  • established,
  • indisputable,
  • positive,
  • accurate.
  •open-and-shut (adjective)
  • ordinary,
  • iced,
  • self-explanatory,
  • self-evident,
  • obvious,
  • routine,
  • cut and dried,
  • distinguishable,
  • evident,
  • simple,
  • straightforward,
  • open and shut,
  • undisguised,
  • apparent,
  • glaring,
  • clear as a bell,
  • sewn up,
  • easy,
  • unmistakable.
  •secure (adjective)
  • reassured,
  • shoo-in,
  • balanced,
  • cinch,
  • firm,
  • carefree,
  • tried and true,
  • able,
  • sound,
  • steady,
  • self-assured,
  • confident,
  • solid,
  • hopeful,
  • self-confident,
  • strong,
  • resolute,
  • sanguine.
  •stationary (adjective)
  • parked,
  • permanent,
  • motionless,
  • inert,
  • standing.

• v.

  •affirm (verb)
  • clinch,
  • maintain,
  • avouch,
  • pronounce,
  • cross heart,
  • confirm,
  • ratify,
  • profess,
  • vouch,
  • rubber-stamp,
  • repeat,
  • assert,
  • put on ice,
  • testify,
  • okay,
  • predicate,
  • state,
  • asseverate,
  • lock up,
  • swear up and down,
  • nail down,
  • witness,
  • certify,
  • insist,
  • declare,
  • attest,
  • have a lock on,
  • avow,
  • say so,
  • guarantee,
  • aver,
  • swear on bible,
  • swear.
  •assure (verb)
  • lock on.

• Other synonyms:

  •Other relevant words:
  • attested,
  • proved,
  • ascertained,
  • certified,
  • warranted,
  • stated,
  • tested.

Antonyms for Nailed down:

• adj.

  • assured
    uncertain, Feared, doubted, doubtful.
  • definitive
    inconclusive, temporary, interim, unreliable, incomplete, inexact.
  • exact
    inaccurate, incorrect, imprecise, approximate, indefinite.
  • immobile
    movable, moving, unfixed, mobile.
  • incontrovertible
    questionable, variable, Controvertible, changeable.
  • secure
    undecided, insecure, unsure.
  • stationary
    restless, unsteady.

• v.

  • affirm
    negate, nullify, veto, deny.