nugatory /nūˈgə-tə-ri/

1. Trifling
2. Worthless
3. Inoperative
4. Unavailing
5. Futile

• -biont
• biont
• -biontic
• bionts
• bioparent
• bioparents
• biopharmaceutical
• biophor
• biophore
• biophores
• biophors
• biophysical
• biophysicist
• biophysicists
• biophysics
• biopic
• biopics
• biopiracies
• biopiracy
• bioplasm
• bioplasmic
• bioplasms
• bioplast
• bioplasts
• biopoieses