| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | resolute |
| Synonyms: | attentive, determined, dogged, persistent, tenacious |
| Main Entry: | pertinacious |
| Part of Speech: | adjective |
| Definition: | bullheaded |
| Synonyms: | determined, dogged, firm, headstrong, inflexible, obstinate, persistent, resolute, stubborn, tenacious, unshakable |
| Antonyms: | irresolute, tentative |
| Main Entry: | deaf |
| Part of Speech: | adjective |
| Definition: | unwilling |
| Synonyms: | bullheaded, headstrong, indifferent, intractable, mulish, oblivious, obstinate, pertinacious, perverse, pigheaded, self-willed, strong-willed, stubborn, to listen blind, unaware, unconcerned, unhearing, unmoved |
| Antonyms: | attentive, aware, conscious, listening, willing |
| Main Entry: | diligent |
| Part of Speech: | adjective |
| Definition: | persevering, hard-working |
| Synonyms: | active, assiduous, attentive, busy, careful, conscientious, constant, eager, eager beaver, earnest, grind*, indefatigable, industrious, laborious, occupied, operose, painstaking, persistent, persisting, pertinacious, plugging, sedulous, steadfast, studious, tireless, unflagging, unrelenting, untiring |
| Antonyms: | inactive, indifferent, languid, lazy, lethargic, negligent |
| Main Entry: | doctrinaire |
| Part of Speech: | adjective |
| Definition: | dogmatic, opinionated |
| Synonyms: | authoritarian, authoritative, biased, bigoted, bullheaded, dictative, dictatorial, dogged, fanatical, impractical, inflexible, insistent, magisterial, mulish, obstinate, one-sided, pertinacious, pigheaded, rigid, speculative, stiff-necked, stubborn, unrealistic |
| Antonyms: | amenable, flexible, manageable, obedient, submissive |
| Main Entry: | dogged |
| Part of Speech: | adjective |
| Definition: | determined, persistent |
| Synonyms: | adamant, bullheaded, firm, hanging tough, hard-nosed, hardheaded, indefatigable, inexorable, inflexible, insistent, mulish, obdurate, obstinate, perseverant, perseverative, persevering, pertinacious, pigheaded, relentless, resolute, rigid, single-minded, staunch, steadfast, steady, stubborn, tenacious, tough nut, unbending, unflagging, unshakable, unyielding |
| Antonyms: | indifferent, irresolute, undetermined, yielding |
| Main Entry: | hard-nosed/hardheaded |
| Part of Speech: | adjective |
| Definition: | stubborn |
| Synonyms: | astute, bullheaded, hard*, hard-boiled, headstrong, intractable, levelheaded, locked in, mulish, obstinate, pertinacious, perverse, pigheaded, practical, pragmatic, rational, realistic, resolute, sensible, shrewd, sober, stand pat, tough, tough-nut, unsentimental, unyielding, willful |
| Antonyms: | easy, easy-going, laid-back, merciful |
| Main Entry: | importunate |
| Part of Speech: | adjective |
| Definition: | demanding, insistent |
| Synonyms: | burning, clamant, clamorous, crying, disturbing, dogged, earnest, exigent, harassing, imperative, instant, overly solicitous, persevering, persistent, pertinacious, pressing, solicitous, troublesome, urgent |
| Antonyms: | relaxed, undemanding, unimportant |
| Main Entry: | indefatigable |
| Part of Speech: | adjective |
| Definition: | untiring |
| Synonyms: | active, assiduous, bound and determined, dead set on, determined, diligent, dogged, energetic, hell-bent, industrious, inexhaustible, ironclad, nose to grindstone, painstaking, patient, persevering, persistent, pertinacious, relentless, sedulous, steadfast, stop at nothing, strenuous, tireless, unfaltering, unflagging, unflinching, unremitting, unwavering, unwearied, unwearying, vigorous |
| Antonyms: | fatigued, tired, weary |