Heavy比较级是heavier。heavy作为形容词时，意思是重的、沉的、超出一般的、比一般严重的、大而结实的、不精致的。heavy作为名词时，意思是保镖、打手、烈性啤酒、苦啤酒。heavy作为副词时，意思是大量地、笨重地。heavy的复数是heavies，heavy的比较级是heavier。

Heavy的例句：She was struggling with a heavy suitcase.她正费力地拎着一只沉重的手提箱。My brother is much heavier than me.我弟弟比我重得多。He tried to push the heavy door open.他试图推开那扇沉重的门。

There was heavy fighting in the capital last night.昨晚首都发生了激烈战斗。The penalty for speeding can be a heavy fine.超速驾驶可能会被处以高额罚款。She spoke with heavy irony.她的话充满了讽刺。

He was tall and strong,with heavy features.他长得高大壮实，浓眉大眼。He was tall and strong,with heavy features.他长得高大壮实，浓眉大眼。