serious

As adjectives the difference between genuine and serious

is that genuine is belonging to, or proceeding from the original stock; native; hence, not counterfeit, spurious, false, or adulterated; authentic; real; natural; true; pure while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As an adjective serious

is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a noun null is

zero, nil; the cardinal number before einn.

As adjectives the difference between serious and sensitive

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while sensitive is having the faculty of sensation; pertaining to the senses.

As a noun sensitive is

one with a paranormal sensitivity to something that most cannot perceive.

As an adjective serious

is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a pronoun mad is

.

As adjectives the difference between flamboyant and serious

is that flamboyant is showy, bold or audacious in behaviour, appearance, etc while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a noun flamboyant

is a showy tropical tree, the royal poinciana (delonix regia ).

As adjectives the difference between serious and undefined

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while undefined is lacking a definition or value.

As adjectives the difference between dour and serious

is that dour is stern, harsh and forbidding while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As adjectives the difference between devious and serious

is that devious is deviating; not straightforward or honest, not frank; not standard while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As adjectives the difference between crazy and serious

is that crazy is insane; lunatic; demented while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As an adverb crazy

is (slang) very, extremely.

As a noun crazy

is an insane or eccentric person; a crackpot.

As adjectives the difference between serious and horrible

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while horrible is causing horror; terrible; shocking.

As a noun horrible is

a thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.