Standard Lemma guide

hardener

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: /ˈhɑɹdn̩ɚ/
  • US: /ˈhɑɹdənɚ/
  • UK: /ˈhɑːdn̩ə/
  • UK: /ˈhɑːdənə/
  • CMU ARPABET: HH AA1 R D AH0 N ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

One who, or that which, hardens.

Definition source: English Wiktionary via Wiktextract

Examples

  • the hardener of hearts

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A chemical substance added to something in order to harden it; used especially with paints, varnishes and resins.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From harden + -er.