Answer: unsaturated
Step-by-step explanation:
Saturated solution is defined as the solution in which no more solute particles can be dissolved in the solvent.
Unsaturated solution is defined as the solution in which more solute particles can be dissolved in the solvent.
Concentrated solution is defined as solution in which amount of solute is more than the amount of solvent.
Supersaturated solution is defined as the solution in which more amount of solute particles is present than the solvent particles.