Meaning of radical In English

• 0 believing or expressing the belief that there should be great or extreme social or political change:

  • He was known as a radical reformer/thinker/politician.

  • These people have very radical views.

• 1 relating to the most important parts of something or someone; complete or extreme:

  • We need to make some radical changes to our operating procedures.

  • I'm just having my hair trimmed - nothing radical.

• 2 aimed at removing all diseased tissue:

  • Cervical cancer may be cured with radical surgery when it is confined to the pelvis or regional lymph nodes.

• 3 a person who supports great social and political change:

  • She was a radical all her life.

• 4 believing or expressing the belief that there should be great or extreme social, economic, or political change:

  • White’s political orientation was decidedly liberal, but hardly radical.

• 5 causing or being an example of great change; extreme:

  • During bad economic times, radical steps may be necessary to restore the confidence of the consumer.

• 6 a person who supports great social, economic, or political change