adjective, shak·i·er, shak·i·est.
- tending to shake or tremble.
- trembling; tremulous.
- liable to break down or give way; insecure; not to be depended upon: a shaky bridge.
- wavering, as in allegiance: His loyalty, always shaky, was now nonexistent.
adjective shakier or shakiest
- tending to shake or tremble
- liable to prove defective; unreliable
- uncertain or questionableyour arguments are very shaky
adj.1840, of handwriting; 1841 of persons, horses, and credit; 1850 of structures; from shake (v.) + -y (2). General sense of “uncertain, of questionable integrity” is from 1834. Earliest of trees or logs, “split, having fissures” (1808). Related: Shakily; shakiness.