Standard Lemma guide

stiffen

verb · 5 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.

  • /ˈstɪfən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪfən
  • CMU ARPABET: S T IH1 F AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

To make stiff.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To become stiff.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

make stiff or stiffer

Definition source: Princeton WordNet 3.0

Examples

  • Stiffen the cream by adding gelatine

Meaning relationships

Synonyms: none provided

Antonyms: loosen

Broader terms: change, alter, modify

Narrower terms: starch, buckram, rigidify, ossify, petrify

4

verb

Meaning 4

become stiff or stiffer

Definition source: Princeton WordNet 3.0

Examples

  • He stiffened when he saw his boss enter the room

Meaning relationships

Synonyms: none provided

Antonyms: loosen

Broader terms: change

Narrower terms: rigidify

5

verb

Meaning 5

restrict

Definition source: Princeton WordNet 3.0

Examples

  • Tighten the rules
  • stiffen the regulations

Meaning relationships

Synonyms: tighten, tighten up, constrain

Antonyms: none provided

Broader terms: restrict, restrain, trammel, limit, bound, confine, throttle

History

Etymology

From Middle English stifnen, equivalent to stiff + -en.

Across languages

Translations

65 source translations are retained for this English entry.

  • Bulgarian: втвърдявам (vtvǎrdjavam) — to make stiff
  • Chinese Mandarin: 使僵硬 — to make stiff
  • Finnish: jäykistää — to make stiff
  • Finnish: jähmettää — to make stiff
  • Finnish: kangistaa — to make stiff
  • French: raidir — to make stiff
  • French: endurcir — to make stiff
  • German: aussteifen — to make stiff
  • German: versteifen — to make stiff
  • German: verstärken — to make stiff
  • German: ertüchtigen — to make stiff
  • German: aufdoppeln — to make stiff
  • Ido: rigidigar — to make stiff
  • Irish: stalc — to make stiff
  • Italian: irrigidire — to make stiff
  • Māori: whakamakiki — to make stiff
  • Māori: whakawhena — to make stiff
  • Norwegian: stivne — to make stiff
  • Polish: zastawać — to make stiff
  • Portuguese: endurecer — to make stiff
  • Romanian: întări — to make stiff
  • Sicilian: attrunzari — to make stiff
  • Sicilian: aggigghiari — to make stiff
  • Spanish: atiesar — to make stiff
  • Spanish: entiesar — to make stiff
  • Spanish: endurecer — to make stiff
  • Volapük: stifükön — to make stiff
  • Arabic: جَمَدَ (jamada) — to become stiff
  • Bulgarian: втвърдявам се (vtvǎrdjavam se) — to become stiff
  • Bulgarian: вкочанясвам се (vkočanjasvam se) — to become stiff
  • Chinese Mandarin: 变硬 — to become stiff
  • Czech: ztuhnout — to become stiff
  • Czech: ztvrdnout — to become stiff
  • Danish: stivne — to become stiff
  • Finnish: jäykistyä — to become stiff
  • Finnish: jähmettyä — to become stiff
  • Finnish: kangistua — to become stiff
  • French: se raidir — to become stiff
  • French: s'endurcir — to become stiff
  • German: versteifen — to become stiff
  • Gothic: 𐌲𐌰𐍃𐍄𐌰𐌿𐍂𐌺𐌽𐌰𐌽 (gastaurknan) — to become stiff
  • Hungarian: merevedik — to become stiff
  • Icelandic: stífna — to become stiff
  • Ingrian: kangeta — to become stiff
  • Irish: stalc — to become stiff
  • Italian: irrigidirsi — to become stiff
  • Italian: indurirsi — to become stiff
  • Italian: solidificarsi — to become stiff
  • Latin: rigēscō — to become stiff
  • Northern Mansi: а̄гмалтаӈкве (āgmaltaňkve) — to become stiff
  • Norwegian: stivne — to become stiff
  • Polish: zastać — to become stiff
  • Portuguese: endurecer — to become stiff
  • Romanian: întări — to become stiff
  • Slovak: stvrdnúť — to become stiff
  • Slovak: stuhnúť — to become stiff
  • Spanish: atiesarse — to become stiff
  • Spanish: entiesarse — to become stiff
  • Spanish: endurecerse — to become stiff
  • Swedish: styvna — to become stiff
  • Swedish: stelna — to become stiff
  • Swedish: bli styv — to become stiff
  • Swedish: bli stel — to become stiff
  • Tamil: மர (mara) — to become stiff
  • Volapük: stifikön — to become stiff