(superl.) Not intoxicated or excited by spirituous liquors; as,   the sot may at times be sober. 
                        
                    
                    
                        
                        
                            (superl.) Not mad or insane; not wild, visionary, or heated with   passion; exercising cool, dispassionate reason; self-controlled;   self-possessed. 
                        
                    
                    
                        
                        
                            (superl.) Not proceeding from, or attended with, passion; calm;   as, sober judgment; a man in his sober senses. 
                        
                    
                    
                        
                        
                            (superl.) Serious or subdued in demeanor, habit, appearance, or   color; solemn; grave; sedate. 
                        
                    
                    
                        
                        
                            (superl.) Temperate in the use of spirituous liquors; habitually   temperate; as, a sober man. 
                        
                    
                    
                        
                        
                            (v. i.) To become sober; -- often with down. 
                        
                    
                    
                        
                        
                            (v. t.) To make sober.