English Reference

Word

vigorously

Phoneticsvig·or·ous·ly, stress on the first syllable

US/ˈvɪɡɝəsɫi/

UK/vˈɪɡəɹəsli/

Adverb of manner

Definition

adv. to do something with a lot of energy, strength, or effort.

adv. in a way that involves physical strength, effort, or energy; with great force or intensity.

Examples

“He shook his head vigorously to say no.”

“The lawyer vigorously defended her client against the accusations during the trial.”

“The research team vigorously pursued every lead, eventually uncovering a pattern that had been overlooked by previous investigators for decades.”

Examples

simple

“He shook his head vigorously to say no.”

contextual

“The lawyer vigorously defended her client against the accusations during the trial.”

complex

“The research team vigorously pursued every lead, eventually uncovering a pattern that had been overlooked by previous investigators for decades.”

Usage

Typically follows the verb it modifies or the direct object.

Pitfall

He vigorously worked

He worked vigorously

Adverbs of manner like 'vigorously' usually follow the verb or the object rather than sitting between the subject and the verb.

Real-World Examples

“Nipsco has denied wrongdoing and said it would "vigorously" defend itself in court.”
BBC News 23 Aug 2026
“The plants will then grow less vigorously and produce, for example, smaller flowers that are less attractive to pollinators.”
Phys.org 19 Aug 2026

Etymology

From vigorous + -ly.

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

Word family

ADJECTIVE

ADVERB

vigorously(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
Frequent
Level
B2 · Upper Intermediate
Updated

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