piercing, continual, glaring, can't hear yourself think, driven, motivated, continuous, gross, patient, riotous, reiterative, importune, crying, inst, loud, urgent, instantaneous, shrill, forceful, deafening, exigent, continue, flagrant, resounding, rank, pertinacious, vociferous, noisy, emphatic, exacting, ambitious, ear-splitting, importunate, sedulous, purposeful, imperative, repetitive, instant, blatant, clamant, clamorous, repetitious, competitive, uproarious, egregious, strident
affirmative (part of speech: adjective)
tenacious (part of speech: adjective)
resolute (part of speech: adjective)
implacable, unwavering, valiant, decided, indomitable, steady, dauntless, decisive, unflinching, stubborn, willing, resolved, dogged, thorough, ruthless, hearty, steadfast, unchangeable, loyal, constant, true, relentless, intent, unyielding, unshakeable, bold, devoted, persevering, stern, strong-minded, reliable, diligent, steely, indefatigable, courageous, plucky, determined, tenacious, committed, tough, bullheaded, serious, uncompromising, staunch, resolute, faithful, firm, deliberate, zealous, set, unbending, tireless, headstrong, earnest, iron-willed, inexorable, dedicated, strong-willed, spunky, persistent, fearless
- She was not very anxious to supply the information, but Violet was insistent and soon possessed herself of the full details of the argument which she seemed to find highly amusing. - "The Keeper of the Door", Ethel M. Dell.
- Desmond bent his head to avoid the insistent gaze. - "Okewood of the Secret Service", Valentine Williams.
- There was a silence; and then, taking her hand again, he again kissed it, and holding it for an insistent moment said, 'Althea, won't you try being engaged to me? - "Franklin Kane", Anne Douglas Sedgwick.