insincere; deceitful; treacherous; hypocritical. / Yearning. / Having a hole at the center.

(nautical) Built with the stern nearly straight up and down.

Insane, crazy. / Temporarily mentally unstable; very distressed. / Under the influence of drugs.

frank; sincere; artless

cowardly; timid

Full of courage or nobleness, heroic. / Full of liveliness and passion, vivacious.

(colloquial) giddy; frivolous; foolish

(obsolete) Mentally dull; stupid.

(computing) A collision of the head of a hard drive with the platter, resulting in permanent damage to the hard drive.

(computing) An addressing system of hard drives where the hard drive is addressed by its cylinders, heads, and sectors.