Synonyms for tireless
- adjective
- American English
Most common
Synonyms by meaning
Adjective
1. Untiring — indefatigable, untiring and not yielding to fatigue
untiring, indefatigable, unflagging, hard-working, diligent, industrious, energetic, inexhaustible, unwearying, weariless, unwearied dated
2. Assiduous
Other
Definitions
- adj. 1
Indefatigable, untiring and not yielding to fatigue
- adj. 2
Without a tire (wheel covering); tyreless.
Related words
- Word family
- tire
- Is a kind of
- active energetic obstinate persistent
- Other spellings
- tyreless
Example sentences
- diligent Generally, the Japanese are very diligent workers.
- indefatigable My grandfather is an indefatigable worker.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| tireless | rising | |
| diligent | steady | |
| indefatigable | falling | |
| untiring | falling | |
| unflagging | steady | |
| untirable | steady |
Use in printed books, per decade from 1850 to 2019.
By length
- 8 letters
- diligent3, untiring, sedulous
- 9 letters
- energetic4, assiduous3, unwearied, weariless, untirable
- 10 letters
- unflagging3, unwearying
- 11 letters
- industrious4, persevering4
- 13 letters
- inexhaustible5, indefatigable6
The small number after each word is its number of syllables (diligent3 = 3 syllables).
In other languages
- Français
- inlassable