a. 1. Not seconded; not supported, aided, or assisted; as, the motion was unseconded; the attempt was unseconded. [ 1913 Webster ]
2. Not exemplified a second time. [ Obs. ] “Strange and unseconded shapes of worms.” Sir T. Browne. [ 1913 Webster ]
a. 1. Not seen or discovered. [ 1913 Webster ]
2. Unskilled; inexperienced. [ Obs. ] Clarendon. [ 1913 Webster ]