Definition:-

• Take aggressive military action against (a place or enemy forces) with weapons or armed force. (verb)
• Criticize or oppose fiercely and publicly. (verb)
• Begin to deal with (a problem or task) in a determined and vigorous way. (verb)
• (in sport) make a forceful attempt to score a goal or point or otherwise gain an advantage against an opposing team or player. (verb)
• (of a reagent or reactive species) approach and interact with (an atom, group, or bond in a molecule), thereby breaking a bond or forming a new bond. (verb)
• An aggressive and violent act against a person or place. (noun)
• An instance of fierce public criticism or opposition. (noun)
• A sudden short bout of an illness or stress. (noun)
• (in sport) an aggressive attempt to score a goal or point or otherwise gain an advantage. (noun)