Synonyms of intensive

intensive

adjective

in-ˈten(t)-siv 

as in intense

extreme in degree, power, or effect

Maintaining the house's expansive gardens requires intensive effort.

Synonyms & Similar Words

• intense
• fierce
• ferocious
• deep
• terrible
• heavy
• furious
• violent
• acute
• profound
• vicious
• explosive
• exquisite
• heavy-duty
• excruciating
• dreadful
• fearful
• blistering
• intensified
• vehement
• keen
• ghastly
• hard
• frightful
• fearsome
• concentrated
• harsh
• hellacious
• almighty
• aggravated
• heightened
• enhanced
• severe
• thorough
• exhaustive
• rigorous
• magnified
• stressed
• deepened
• accentuated
• emphasized

Antonyms & Near Antonyms

• moderate
• light
• soft
• weak
• feeble
• superficial
• shallow
• qualified
• moderated
• decreased
• eased
• reduced
• subdued
• toned (down)
• diminished
• lightened
• lessened
• alleviated
• abated

Example Sentences

Recent Examples of intensive

Cruising is still one of the most carbon-intensive forms of tourism, usually heavily dependent on both mass consumption and fuel oil. — Indrabati Lahiri, Forbes.com, 8 July 2026

In addition to city walks and bus tours, the line offers more intensive cultural tours and adventure activities. — Fran Golden, Travel + Leisure, 7 July 2026

Many athletes with heart conditions can play even the most intensive types of sports. — Nicole Williams, AJC.com, 6 July 2026

In some intensive tests, the model would even sometimes slip up and identify itself as Claude, researchers found. — Ashley Belanger, ArsTechnica, 6 July 2026