high intensity
All-out effort level
High intensity describes activity performed at or near maximum effort, typically in fitness contexts: high-intensity interval training, a high-intensity workout.
The phrase extends to anything demanding sustained, vigorous engagement: high-intensity negotiations, a high-intensity job.
The hyphenated form appears before nouns; without the hyphen after: The training was high intensity.
- vigorousHaving great physical energy
- extremeFurthest from moderate
- fierceViolently intense or aggressive
- powerfulHaving great strength
- strenuousRequiring intense exertion
grueling · no pain no gain · explosive · relentless · balls to the wall · burning · sweating · heart-pounding · heart rate monitor · maximal · max effort · brutal · punishing · sprint · interval · cardio · breathless · exertion
- fitnessfitness, exercise, gym, workout, running
- anaerobic activitiesfermentation, glycolysis, lactic acid, sprinting, weightlifting
high intensitylow effort
Requiring little work
light · gentle · easy · effortless · undemanding
high, intensity, higher, highest, highly, height, heights, heighten, heightened