IPA: /ˈhɛviər/
KK: /ˈhɛvɪər/
This word describes something that has more weight than another object or is more difficult to lift.
The box is heavier than I expected, making it hard to carry.
Comparative: heavier
Superlative: heaviest
Heavier → It is formed from "heavy" (from Old English "hefig", meaning having great weight) and "-er" (meaning more). The word "heavier" means having more weight than something else.
Think of something that is 'more' ('-er') 'weighty' ('heavy') — that's why heavier means it has more weight.