rigidly

Example:He firmly believes in his principles and will not waver.

Definition:With strong or resolute resolution, determination, or endurance; not easily dissuaded or discouraged.

Example:She moved stiffly because of the pain in her leg.

Definition:In a rigid or inflexible manner, without flexibility or ease; unbending or unyielding.

Example:He refused to give in and remained unyieldingly committed to his cause.

Definition:Not giving or showing any willingness to change or give way; stubbornly or firmly opposed or resistant.

Example:She answered the questions strictly according to the instructions.

Definition:In a manner that is exact, precise, and thorough; adhering strictly to rules, laws, or regulations without deviation or leniency.

Example:He was unbendingly opposed to the proposed changes.

Definition:Not flexible or adaptable; unyielding or inflexible in thought, feeling, or manner.