heaviest
adj.adj. the one that weighs the most compared to all others in a group. You use this to describe the object with the greatest weight or the most power.
adj. the superlative form of 'heavy'; indicates the maximum weight, intensity, or density within a specific set.
This blue suitcase is the heaviest one in the car.
The heaviest rainfall of the decade caused the local river to overflow its banks last night.
Engineers must ensure the bridge's foundation can support the heaviest vehicles expected to traverse the span during peak traffic hours.
Superlative form of 'heavy'; typically preceded by the definite article 'the'.
the most heaviestthe heaviestOne-syllable adjectives ending in 'y' form the superlative by changing 'y' to 'i' and adding '-est'; they do not use 'most'.