Synonyms to unflagging

ardent, abandoned, ablaze, acquiescent, afire, aflame, aflicker, aglow, agog, agreeable, alacritous, alcoholic, alight, amative, amatory, amenable, amorous, and, anxious, assiduous, athirst, avid, baking, blazing, blistering, boiling, boiling over, breathless, broiling, burning, burning hot, candent, candescent, canicular, comburent, committed, compliant, conflagrant, consenting, constant, content, cooperative, cordial, crying, dedicated, delirious, desirous, devoted, devout, diligent, disposed, docile, drunk, eager, earnest, ebullient, emphatic, energetic, enthusiastic, erotic, excited, exciting, extreme, exuberant, fain, faithful, fanatic, favorable, favorably disposed, favorably inclined, febrile, fervent, fervid, fevered, feverish, fierce, fiery, flagrant, flaming, flaring, flickering, flushed, forward, fuming, game, genial, glowing, great, grilling, guttering, hard, hard-core, hardworking, hasty, hearty, heated, hectic, hospitable, hot, hot as fire, hot as hell, hot-blooded, hotheaded, ignescent, ignited, impassioned, impatient, impetuous, importunate, impulsive, in a blaze, in a glow, in earnest, in flames, in the