fourth-year
- s used of the fourth and final year in United States high school or college
fractional
- a constituting or comprising a part or fraction of a possible whole or entirety
a fractional share of the vote
fractious
- s stubbornly resistant to authority or control
a fractious animal that would not submit to the harness - s easily irritated or annoyed
an incorrigibly fractious young man - s unpredictably difficult in operation; likely to be troublesome
rockets were much too fractious to be tested near thickly populated areas
fractious components of a communication system