English Reference

Word

intensively

Phoneticsin·ten·sive·ly, stress on the second syllable

US/ˌɪnˈtɛnsɪvɫi/

UK/ɪntˈɛnsɪvli/

Definition

adv. to do something with a lot of energy and focus. You use this when you want to show that you are working very hard or spending a lot of time on a task.

adv. in a manner involving great effort, concentration, or frequency. Often describes the application of resources or the frequency of an action.

Examples

“The students studied intensively for their final exams.”

“The local government intensively searched the area for the missing hiker during the first forty-eight hours.”

“The research team worked intensively throughout the summer to complete the data analysis before the funding deadline expired.”

Examples

simple

“The students studied intensively for their final exams.”

contextual

“The local government intensively searched the area for the missing hiker during the first forty-eight hours.”

complex

“The research team worked intensively throughout the summer to complete the data analysis before the funding deadline expired.”

Real-World Examples

“Pector-Lallemand followed 41 young adults ages 18 to 35 in Montreal, Paris and New York over a four-year period, and 13 of them more intensively for a year and a half.”
Phys.org 12 Oct 2026
“Puerta del Sol -- a busy hub intensively used by commuters and tourists -- has been the venue for past protests.”
The Local 27 Sept 2026

Etymology

From intensive + -ly.

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

Word family

ADJECTIVE

ADVERB

intensively(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference