Standard Lemma guide

energizer

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: EH1 N ER0 JH AY2 Z ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A person who, or a thing which, energizes.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a device that supplies electrical energy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: energiser

Antonyms: none provided

Broader terms: device

3

noun

Meaning 3

someone who imparts energy and vitality and spirit to other people

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: energiser, vitalizer, vitaliser, animator

Antonyms: none provided

Broader terms: actor, doer, worker

History

Etymology

Etymology tree Proto-Indo-European *h1én Ancient Greek ἐν (en) Ancient Greek ἐν- (en-) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) Proto-Indo-European *-os Proto-Hellenic *-os Ancient Greek -ος (-os) Ancient Greek ἐνεργός (energós) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ής (-ḗs) Ancient Greek ἐνεργής (energḗs) Proto-Indo-European *-is Proto-Indo-European *-h2 Proto-Indo-European *-ih2der. Ancient Greek -ιᾰ (-iă) Ancient Greek ἐνέργεια (enérgeia)bor. Late Latin energīader. Middle French énergieder. English energy Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English energize Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English energizer From energize + -er.