Zealous

adj.energetic, resilientformal

What it means

Showing intense and energetic devotion to a purpose.

Reach for it when praising committed advocacy or work when care and judgment constrain the intensity

The zealous advocate checked every citation before the hearing.

everyday
eager
when readiness to begin is more important than endurance
not when Eager is milder and can disappear after the first difficulty.
warm
enthusiastic
when eager positive energy is enough
not when Enthusiastic is lighter and need not involve sustained devotion.
warm
passionate
when strong personal feeling drives action
not when Passionate can be impulsive and says less about disciplined devotion.
professional
committed
when allegiance and follow-through should sound controlled
not when Committed is less forceful and allows more visible qualification.
professional
dedicated
when reliable long-term work is the evidence
not when Dedicated may be quiet and lacks zealous intensity.
formal
fanatical
when excessive, uncritical devotion is genuinely the criticism
not when Fanatical is negative and must never replace constructive zeal merely because intensity is high.
literary
ardent
when elevated prose suits intense support or love
not when Ardent can sound romantic and overstate measured commitment.
literary
fervent
when deeply felt conviction is central
not when Fervent can sound religious or emotionally heated.

zealous advocate
A zealous advocate, Mara still revised her claim when the evidence changed.
zealous supporter
The zealous supporter respected the artist's request for privacy.
zealous pursuit
Zealous pursuit of safety must still protect due process.

Zealous often carries a warning of excess. Name the disciplined or respectful behavior that keeps devotion constructive.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.