Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [713]
in·de·fea·si·ble adjective : not capable of being annulled or voided
— in·de·fea·si·bly adverb
in·de·fen·si·ble adjective 1 : incapable of being maintained as right or valid
2 : incapable of being justified or excused : INEXCUSABLE
3 : incapable of being protected against physical attack
Synonyms
inexcusable, unforgivable, unjustifiable, unpardonable, unwarrantable—more at INEXCUSABLE
in·de·fin·able adjective : incapable of being precisely described or analyzed
— in·de·fin·ably adverb
in·def·i·nite adjective 1 : not defining or identifying 2 : not precise : VAGUE 3 : having no fixed limit — in·def·i·nite·ly adverb — in·def·i·nite·ness noun Synonyms [2] bleary, dim, faint, foggy, fuzzy, hazy, indistinct, indistinguishable, murky, nebulous, obscure, opaque, shadowy, unclear, undefined, undetermined, vague—more at FAINT [3] boundless, endless, illimitable, immeasurable, infinite, limitless, measureless, unbounded, unfathomable, unlimited—more at INFINITE in·del·i·ble adjective [ORIGIN: ME, fr. ML indelibilis, alter. of L indelebilis, fr. delēre to delete, destroy] 1 : not capable of being removed or erased 2 : making marks that cannot be erased 3 : LASTING, UNFORGETTABLE — in·del·i·bly adverb in·del·i·ca·cy noun 1 : the quality or state of being indelicate 2 : something that is indelicate Synonyms coarseness, grossness, lowness, rudeness, vulgarity—more at VULGARITY in·del·i·cate adjective : not delicate; especially : IMPROPER, COARSE, TACTLESS in·dem·ni·fi·ca·tion noun 1 : the action of indemnifying; also : the condition of being indemnified 2 : something that indemnifies in·dem·ni·fy verb -fied; -fy·ing [ORIGIN: L indemnis unharmed, fr. in- not + damnum damage] 1 : to secure against hurt, loss, or damage 2 : to make compensation to for hurt, loss, or damage Synonyms compensate, recompense, recoup, remunerate, requite—more at COMPENSATE in·dem·ni·ty noun, plural -ties 1 : security against hurt, loss, or damage; also : exemption from incurred penalties or liabilities 2 : something that indemnifies Synonyms compensation, damages, quittance, recompense, redress, remuneration, reparation, requital, restitution, satisfaction—more at COMPENSATION 1indent verb [ORIGIN: ME, fr. AF endenter, fr. dent tooth, fr. L dent-, dens] 1 : to notch the edge of 2 : INDENTURE 3 : to set (as a line of a paragraph) in from the margin 2indent verb 1 : to force inward so as to form a depression 2 : to form a dent in in·den·ta·tion noun 1 : a V-shaped cut usu. on an edge or a surface : NOTCH; also : a usu. deep recess (as in a coastline) 2 : the action of indenting : the condition of being indented 3 : a depression or hollow made by a blow or by pressure : DENT 4 : INDENTION 2 Synonyms [1] chip, hack, nick, notch—more at NOTCH [3] cavity, concavity, dent, depression, hole, hollow, pit, recess—more at HOLE in·den·tion noun 1 : INDENTATION 2 2 : the blank space produced by indenting 1indenture noun 1 : a written certificate or agreement; especially : a contract binding one person (as an apprentice) to work for another for a given period of time — usu. used in pl. 2 : INDENTATION 1 3 : DENT 2indenture verb in·den·tured; in·den·tur·ing : to bind (as an apprentice) by indentures in·de·pen·dence noun : the quality or state of being independent : FREEDOM Synonyms autonomy, freedom, liberty, self-government, sovereignty—more at FREEDOM Independence Day noun : July 4 observed as a legal holiday in commemoration of the adoption of the Declaration of Independence in 1776 in·de·pen·dent adjective 1 : not subject to control by others : SELF-GOVERNING; also : not affiliated with a larger controlling unit 2 : not requiring or relying on something else or somebody else 3 : not easily influenced : showing self-reliance and personal freedom 4 : not committed to a political party 5 : MAIN — independent noun