1. comparative form of weak; having less physical strength, power, or intensity
2. comparative form of weak; less effective, convincing, or successful

Examples

• After his illness, he felt much weaker than before.
• The storm grew weaker as it moved inland.
• Her argument was weaker than his evidence suggested.
• The weaker team surprised everyone by winning the game.
• This coffee is weaker than I usually make it.
• The weaker students need extra help with math.
• His grip became weaker with age.