unmeritorious, frivolous, vexatious litigation, mala fide, contumacious, vindictive, justiciable, unparliamentary, ultra vires, unneighbourly, infructuous, meritless, interlocutory, nugatory, unhelpful, litigious, interlocutory injunction, contemptuous, dilatory, indecorous, pettifogging, spiteful, dishonest, unprincipled, calumnious, otiose, retrogressive, scurrilous, specious, tautological, colourable, spurious, illiberal, meretricious, compellable, unnecessary, baseless, defamatory, unwarranted, highhanded, unjustifiable, nonsensical, unreasoned, ad hominem, unreasonable, arrant, discreditable, aggrieved, unserious, unthoughtful, fallacious, unsubstantial, unsupportable, obiter dicta, unbecoming, uncharitable, inimical, contemptible, iniquitous, undemocratic, impertinent, fatuous, controverted, perjurious, unproductive, intimidatory, factitious, cognisable, demagogical, locus standi, discourteous, quo warranto, unsystematic, compoundable, obiter dictum, treasonable, invidious, uncredible, deceitful, pernickety, legalistic, uncalled, obiter, tendentious, ejectment, irresponsive, unwarrantable, meanspirited, ludicrous, disingenuous, obstructive, ex parte, egoistical, unsustained, puerile, libelous, thoughtless, irritating, prolix, unjustice, mitigatory, absurd, harassing, vexing, burdensome, annoying, irksome, perplexing, contentious, untoward, embarrassing, impolitic, trivial, troublesome, antitrust, baffling, complicated, exigent, oppressive, unfair, aggravating

vexatious litigation

bothersome, disagreeable, galling, nettlesome, pesky, pestering, pestiferous, plaguey, plaguy, teasing