Nervous; Anxious.He’s a nice guy but when he talks to me, he acts shaky.
2011, April 10, Alistair Magowan, Aston Villa 1 - 0 Newcastle, Villa had plenty of opportunities to make the game safe after a shaky start and despite not reaching any great heights, they were resolute enough to take control of the game in the second half.
(of wood) Full of shakes or cracks; cracked.shaky timber
Easily shaken; tottering; unsound.a shaky constitutionshaky business credit