determination Play nounThe quality of being determined; firmness of purpose. SYNONYMS backboneboldnessbravenessbraverycouragecourageousnessdecidednessdecisiondoggednessDunkirk spiritfirmness of purposefixity of purposegritgutsindefatigabilityinflexibilityintensionintentnessobduracyobduratenessobstinacyperseveranceperseverationpersistencepertinaciousnesspertinacitypluckpluckinesspurposefulnessresolutenessresolutionresolvesense of purposesingle-mindednessspiritednessspunkstaunchnessstaying powersteadfastnessstick-to-it-ivenessstickabilitystout-heartednessstrength of characterstrength of willstrong-mindednessstubbornnesstenaciousnesstenacitythe bulldog spiritwill power