1. of, relating to, or consisting of excrement
Usage: formal or technical
2. extremely unpleasant, worthless, or contemptible
Usage: informal; derogatory

Examples

• The excremental matter was analyzed in the laboratory.
• The film received excremental reviews from critics.
• Excremental waste must be properly disposed of in sanitary systems.
• His excremental performance on the test disappointed his parents.
• The excremental conditions in the facility violated health codes.