What does «feo» mean in Spanish?

Unpleasant to the eye.

Examples of use in Spanish: "mujer fea".
Contrary to duty, to what should be done.

Examples of use in Spanish: "es feo faltar a la palabra".
Lacking beauty.

Examples of use in Spanish: "espectáculo feo".
Insensitive, poorly made.

Examples of use in Spanish: "acción fea".
Threatening.

Examples of use in Spanish: "el tiempo se pone feo".
Bad.

Examples of use in Spanish: "la cosa se pone fea".
Affront, slight, rudeness.

Examples of use in Spanish: "me hizo un feo intolerable".
Ugliness.

Examples of use in Spanish: "es de un feo que impresiona".
Wrong.

Examples of use in Spanish: "oler feo".