1. a thick foam produced by soap mixed with water
2. a state of nervous excitement or agitation
Usage: informal

1. to produce a foam by rubbing soap with water
2. to cover with soapy foam

Examples

• The shampoo created a rich lather in her hair.
• He worked the soap into a thick lather before shaving.
• Don’t get yourself into a lather over such a small problem.
• The soap wouldn’t lather properly in the hard water.
• She lathered her hands thoroughly before rinsing.
• The horse was covered in lather after the long ride.
• The detergent lathers well even in cold water.