Having the least physical strength or structural sturdiness in a group

• Least able to withstand weight, pressure, or strain

Least effective or competent, poorest in quality or performance

• Least convincing or persuasive among options or arguments

Having the lowest intensity, concentration, or potency, most dilute

• Faint in taste, color, signal, or effect

Causing the fewest logical consequences, minimally restrictive statement or condition

• Implies less than alternative stronger formulations