serious

As adjectives the difference between shy and serious

is that shy is easily frightened; timid while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a verb shy

is to avoid due to timidness or caution.

As a noun shy

is an act of throwing.

As an adjective serious

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

As a noun server is

server (a computer or software that provides services to other programs or users).

As adjectives the difference between rigid and serious

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

Dispassionate is a related term of serious.

As adjectives the difference between dispassionate and serious

is that dispassionate is not showing, and not affected by emotion, bias, or prejudice while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

Dejected is a related term of serious.

As adjectives the difference between dejected and serious

is that dejected is sad and dispirited while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a verb dejected

is (deject).

As adjectives the difference between eager and serious

is that eager is sharp; sour; acid while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a noun eager

is alternative form of lang=en (tidal bore).

Fervent is a related term of serious.

As adjectives the difference between fervent and serious

is that fervent is exhibiting particular enthusiasm, zeal, conviction, persistence, or belief while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a verb sombre

is .

As an adjective serious is

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

Settled is a related term of serious.

As adjectives the difference between settled and serious

is that settled is comfortable and at ease, especially after a period of change or unrest while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a verb settled

is (settle).