ねばねば

Adverb

 * 1) stickily
 * 2) persistently

Noun

 * 1) stickiness
 * 2) persistence

Usage notes
When this term refers to being persistent, it often has a negative connotation.

Verb

 * 1) be sticky, greasy
 * 2) be persistent, tenacious
 * 1) be persistent, tenacious