What are the best answers for “resoluteness by virtue of being unyielding and inflexible”?

adamance, obduracy, unyieldingness.

How many letters does the top answer for “resoluteness by virtue of being unyielding and inflexible” have?

The most common answer is adamance (8 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

adamance 8 letters wn-def

resoluteness by virtue of being unyielding and inflexible

obduracy 8 letters wn-def

resoluteness by virtue of being unyielding and inflexible

unyieldingness 14 letters wn-def

resoluteness by virtue of being unyielding and inflexible