invincible

Unable to be conquered

provincial

Limited in knowledge of the world; narrow-minded

evince

To establish; to reflect the truth of

conducive

Supportive; encouraging; helping to bring about

induce

To lead towards some action

deduce

To draw a conclusion from fact; to infer

protracted

Extended in time; prolonged

intractable

Stubborn; obstinate; hard to move forward

retract

To draw back; withdraw

petulant

Irritable or short-tempered

impetuous

Acting passionately and without forethought

impetus

That which drives one; momentum