Quartic couplings between the electroweak gauge bosons may
contribute to various final states arising from e$^+$e$^-$ collisions. 
Event topologies include acoplanar photon pairs together with two neutrinos
and the production of three gauge bosons, such as WW$\gamma$ or 
Z$\gamma\gamma$. We present constraints on anomalous quartic coupling 
parameters using the LEP-2 OPAL data sample.