steadfast

As adjectives the difference between sturdy and steadfast

is that sturdy is of firm build; stiff; stout; strong while steadfast is fixed or unchanging; steady.

As a noun sturdy

is a disease in sheep and cattle, marked by great nervousness, or by dullness and stupor.

As a noun fortitude

is mental or emotional strength that enables courage in the face of adversity.

As an adjective steadfast is

fixed or unchanging; steady.

As an adjective steadfast

is fixed or unchanging; steady.

As a noun constancy is

(uncountable) the quality of being constant; steadiness or faithfulness in action, affections, purpose, etc.

As an adjective steadfast

is fixed or unchanging; steady.

As a noun falter is

butterfly.

As adjectives the difference between poised and steadfast

is that poised is possessing poise, having self-confidence while steadfast is fixed or unchanging; steady.

As a verb poised

is (poise).

As adjectives the difference between sober and steadfast

is that sober is not drunk; not intoxicated while steadfast is fixed or unchanging; steady.

As a verb sober

is (often with up) To make or become sober.

As an adjective steadfast

is fixed or unchanging; steady.

As a noun fidelity is

faithfulness to one's duties.

As a noun loyalty

is the state of being loyal; fidelity.

As an adjective steadfast is

fixed or unchanging; steady.

As adjectives the difference between unstable and steadfast

is that unstable is having a strong tendency to change while steadfast is fixed or unchanging; steady.

As adjectives the difference between steadfast and steadfast

is that steadfast is fixed or unchanging; steady while steadfast is fixed or unchanging; steady.