1. full of or covered with foam or bubbles
2. light and insubstantial; lacking serious content or depth
Usage: often disapproving

Examples

• The cappuccino had a thick, frothy layer of steamed milk on top.
• Waves crashed against the rocks, creating frothy white foam.
• She whisked the eggs until they became light and frothy.
• The beer was perfectly frothy when poured into the glass.
• Critics dismissed the novel as frothy entertainment with no real substance.
• The politician’s frothy speech was full of empty promises.
• The soap created a frothy lather in her hands.