Glue/ɡluː/ Definition 1 of 4Pro Tip 1/3Physical Bond Use 'glue' when you talk about sticking physical items together. I need strong glue to bond the wooden planks. Pro Tip 2/3Not Reversible Remember that glue usually creates a permanent hold, so it's not for temporary attachment. Once you glue those papers, they won't come apart easily. Pro Tip 3/3Drying Time Glue needs time to set or dry, it's not instantly strong. Leave the glued model to dry overnight.