Definition for Impregnable:

• im-preg'na-bl, adj. that cannot be seized: that cannot be moved.-- n. IMPREGNABIL'ITY.-- adv. IMPREG'NABLY. [ Fr. imprenable-- L. in, not, prend[) e]re, prehend[) e]re, to take.]

Synonyms for Impregnable:

• adj.

  •all (adjective)
  • impregnable.
  •dangerous (adjective)
  • risky,
  • shaky,
  • portentous,
  • Jeopardous,
  • dangersome,
  • parlous,
  • touch and go,
  • on collision course.
  •fast (adjective)
  • true blue,
  • glued,
  • wedged,
  • staunch.
  •formidable (adjective)
  • dis-maying,
  • more daunting,
  • dis maying,
  • most daunting,
  • most dismaying,
  • more dismaying,
  • re-doubtable,
  • re doubtable.
  •safe (adjective)
  • safest,
  • home free,
  • buttoned up,
  • unmolested,
  • SAFER,
  • out of danger,
  • under lock and key,
  • free from danger,
  • Out of harm's way,
  • in safety,
  • unhurt,
  • Unthreatened,
  • uninjured,
  • safe and sound,
  • under one's wing,
  • home-free.
  •secure (adjective)
  • more riskless,
  • most riskless,
  • de-fended,
  • de fended.
  •tenable (adjective)
  • defendable,
  • Vindicable,
  • condonable,
  • Warrantable,
  • maintainable.
  •unconquerable (adjective)
  • indefeasible,
  • irrepressible.
  •unshakable (adjective)
  • unsinkable.
  •unyielding (adjective)
  • firm,
  • impenetrable,
  • solid,
  • indestructible,
  • fortified.

• n.

  •
  • final,
  • invariable,
  • unvarying,
  • irreversible,
  • for good,
  • whatever happens,
  • rigid,
  • unchanging,
  • constant.
  •
  • robust,
  • stubborn,
  • irresistible,
  • heavy-duty,
  • sturdy,
  • DO,
  • win,
  • durable,
  • solid as a rock,
  • tough.

• Other synonyms:

  •
  • The.
  •defensible
  • tenable.
  •unconquerable
  • unconquerable.

Paraphrases for Impregnable:

• Equivalence

  • Adjective
    unassailable.

• Independent

  • Adjective
    spectacular.

• Other Related

  • Adjective
    fortified.

Antonyms for Impregnable:

• adj.

  • unyielding
    destructible, breakable.
  • Other antonyms:
    negotiable, infertile, malleable, porous, helpless, absorbent, sterile, open, penetrable, giving, squishy, elastic, passable, insecure, vincible, liable, yielding, powerless, flexible, unfertile, soft, unsafe, permeable, weak, pliable, superable, conquerable, bendable, surmountable.

Impregnable Sentence Examples:

• A strong picket served to make a defence against bullets on that side; while the dead walls of solid logs were quite impregnable against any assault known in forest warfare, but that of fire.

• One would think that with all these guards the place would be impregnable.