1 adjective not known aboutceilte adj3 c m ufolaithe adj3 c m uthere are no hidden costsníl aon chostais eile i gceistit's a hidden gemis seoid í atá i bhfolach ar an saolhe kept the secret hiddenchoinnigh sé an rún faoi cheilt, níor scaoil sé an rún2 adjective concealed from sightceilte adj3 c m ufolaithe adj3 c m ufaoi cheilt c m uhidden cameraceamara ceiltehidden treasuretaisce faoi cheilt