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

But gathering such task demonstration data for robots has proven time- and resource-intensive, despite various companies’ efforts to pay ordinary people to strap cameras on their heads. — Jeremy Hsu, ArsTechnica, 25 Aug. 2026

In a statement read in court, the child's mother said her son has experienced emotional and psychological harm and is undergoing intensive therapy. — Christopher Harris, CBS News, 25 Aug. 2026

The program is one of a few in the country that offers intensive mother-baby outpatient care. — Gabby Sartori, USA Today, 25 Aug. 2026

The investigation continues to produce few public leads despite intensive efforts to find her. — Emma Tucker, CNN Money, 24 Aug. 2026