useful

As an adjective useful

is having a practical or beneficial use.

As a verb withstand is

to resist or endure (something) successfully.

As adjectives the difference between gainful and useful

is that gainful is contrary or gainful can be providing gain; profitable while useful is having a practical or beneficial use.

As adjectives the difference between useful and easy

is that useful is having a practical or beneficial use while easy is comfortable; at ease.

As an adverb easy is

in a relaxed or casual manner.

As a noun easy is

something that is easy.

As a verb easy is

to easy-oar (stop rowing.

As an adjective useful

is having a practical or beneficial use.

As a noun big is

a biological insulation garment; an air-tight, full-body suit intended to prevent the spread of contaminants.

As adjectives the difference between benificial and useful

is that benificial is while useful is having a practical or beneficial use.

As adjectives the difference between useful and undefined

is that useful is having a practical or beneficial use while undefined is lacking a definition or value.

As adjectives the difference between useful and impactful

is that useful is having a practical or beneficial use while impactful is having impact.

As adjectives the difference between desireable and useful

is that desireable is archaic form of desirable while useful is having a practical or beneficial use.

As adjectives the difference between useful and unreleased

is that useful is having a practical or beneficial use while unreleased is not released.

As an adjective useful

is having a practical or beneficial use.

As a noun importance is

the quality or condition of being important or worthy of note.