This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Unreasonably, often perversely unyielding; bullheaded.

adj. Firmly resolved or determined; resolute. See Synonyms at obstinate.

adj. Characterized by perseverance; persistent.

adj. Difficult to treat or deal with; resistant to treatment or effort: stubborn soil; stubborn stains.

adj. Refusing to move or to change one's opinion; obstinate; firmly resisting.

adj. Firm as a stub or stump; stiff; unbending; unyielding; persistent; hence, unreasonably obstinate in will or opinion; not yielding to reason or persuasion; refractory; harsh; -- said of persons and things

Sturdy; stout; strong.

Fixed or set in opinion or purpose; obstinately determined; inflexibly resolute; not to be moved by persuasion; unyielding.

Persistently obdurate; obtuse to reason or right; obstinately perverse.

Persistently pursued or practised; obstinately maintained; not readily abandoned or relinquished.

Difficult of treatment or management; hard to deal with or handle; not easily manipulated; refractory; tough; unyielding; stiff.

Harsh; rough; rude; coarse in texture or quality.

Synonyms and Refractory, Intractable, etc. (see obstinate); wilful, headstrong, unruly, inflexible, obdurate, ungovernable, indocile, mulish.

To make stubborn; render stiff, unyielding, enduring, or the like.

adj. not responding to treatment

adj. tenaciously unwilling or marked by tenacious unwillingness to yield

"In brackets Alesandra had written the word stubborn."

intractable    hardheaded    strong-minded    pertinacious    cantankerous    unyielding    crossgrained    contrarious    stiff-necked    bolshy   

stubbornness    stubbornly   

refractory    obdurate    obstinate    firm    contumacious    inflexible    intractable    hardy    stiff    heady   

obstinate    arrogant    stupid    fierce    sullen    brave    aggressive    reckless    ferocious    tough