adj · 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.
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Pronunciation
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CMU ARPABET:AH0 N F L AE1 G IH0 NG
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Never tiring or lacking energy; without rest; without slowing.
Definition source: English Wiktionary via Wiktextract
Examples
His unflagging efforts have not gone unnoticed.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adjective satellite
Meaning 2
unceasing
Definition source: Princeton WordNet 3.0
Examples
unfailing loyalty
unfailing good spirits
unflagging courtesy
Meaning relationships
Synonyms: unfailing
Antonyms: none provided
3
adjective satellite
Meaning 3
showing sustained enthusiastic action with unflagging vitality
Definition source: Princeton WordNet 3.0
Examples
an indefatigable advocate of equal rights
a tireless worker
unflagging pursuit of excellence
Meaning relationships
Synonyms: indefatigable, tireless, unwearying
Antonyms: none provided
History
Etymology
From un- + flagging.
Across languages
Translations
6 source translations are retained for this English entry.
Bulgarian:
неуморен
(neumoren)
— never seeming to tire, always seeming to have energy to do things
Māori:
pikoni
— never seeming to tire, always seeming to have energy to do things
Māori:
pūtohe
— never seeming to tire, always seeming to have energy to do things
Romanian:
neobosit
— never seeming to tire, always seeming to have energy to do things
Ukrainian:
неослабний
(neoslabnyj)
— never seeming to tire, always seeming to have energy to do things
Ukrainian:
невтомний
(nevtomnyj)
— never seeming to tire, always seeming to have energy to do things