English Reference
adjective · noun

aggressive

adj. · n.
US /əˈɡɹɛsɪv/ UK /ɐɡɹˈɛsɪv/ ag·gres·sive

  1. 01 B1 Intermediate

    adj.behaving in an angry or violent way towards others.

    adj.characterised by physical or verbal hostility; prone to unprovoked attacks or confrontation.

    Simple

    The dog became aggressive whenever a stranger walked past the garden fence.

    In context

    The suspect's aggressive behaviour toward the officers necessitated a formal de-escalation procedure before the interview could proceed.

  2. 02 B2 Upper Intermediate

    adj.using a lot of effort and force to get what you want or to win.

    adj.marked by driving energy or initiative; pursuing goals with forceful or competitive methods.

    Simple

    The company launched an aggressive marketing campaign to win new customers.

    In context

    To secure a dominant market share, the startup adopted an aggressive pricing strategy that undercut its more established competitors.

    timidunambitious
  3. 03 C1 Advanced Technical Finance

    adj.involving a lot of risk in order to make a large profit.

    adj.characterised by high-risk investment strategies aimed at maximising capital appreciation.

    Simple

    He chose an aggressive investment plan because he wanted his money to grow quickly.

    In context

    The fund manager recommended an aggressive portfolio heavily weighted toward emerging tech stocks, despite the inherent volatility of that sector.

  4. 04 C1 Advanced Technical Medicine

    adj.describing a disease that spreads very fast through the body.

    adj.tending to spread quickly and severely; virulent or malignant in progression.

    Simple

    The doctors started treatment immediately because it was an aggressive form of cancer.

    In context

    The patient was diagnosed with an aggressive bacterial infection that required intravenous antibiotics and constant monitoring.

  5. 05 C2 Proficiency Formal

    n.a person who behaves in a violent or forceful way.

    n.an individual who initiates a confrontation or displays habitual hostility.

    Simple

    In this conflict, it was difficult to tell who the original aggressive was.

    In context

    The treaty was designed to penalise the aggressive by imposing strict economic sanctions on any nation that crossed the border.

Usage aggressive front-foot

Craig Mulholland, the Scottish FA's chief football officer, said Pocognoli "will bring an aggressive, front-foot style of play that will excite supporters", adding that Scotland are aiming to "evolve from a position of strength".

BBC News· 16 Aug 2026

Craig Mulholland, the SFA’s chief football suit, said Pocognoli “will bring an aggressive, front-foot style of play that will excite supporters”.

The Guardian· 17 Aug 2026

From aggress + -ive. Compare with French agressif.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated