Synonyms for Have lock on:

• adj.

  •guaranteed (adjective)
  • attested,
  • ascertained,
  • assured,
  • insured,
  • confirmed,
  • pledged,
  • certified,
  • for a fact,
  • approved,
  • Plighted,
  • for sure,
  • bonded,
  • endorsed,
  • warranted,
  • secured,
  • sealed,
  • affirmed,
  • sure enough,
  • sure-fire,
  • on ice,
  • sure,
  • protected.

• v.

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

Antonyms for Have lock on:

• adj.

  • guaranteed
    insecure, unsure, indefinite, uncertain.

• v.

  • affirm
    negate, veto, deny, nullify.