strong muscles and bodily power
- Similar:
- muscle
- Opposite:
- frailty
Advanced level · 11+ exam standard
slacken
verb
to become slower, looser or less tight
Her run did slacken as she got tired in the race.
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More speed & strength words
rushing along fast and wildly, out of control
- Similar:
- rushing
- Opposite:
- crawling
so strong or powerful that it is hard to face
- Similar:
- powerful
- Opposite:
- easy
to fall very fast and straight downwards
- Similar:
- drop
- Opposite:
- climb
slow and heavy, or dull and tiresome
- Similar:
- heavy
- Opposite:
- light
very strong or powerful in its effect
- Similar:
- powerful
- Opposite:
- feeble
strong, healthy and not easily broken
- Similar:
- sturdy
- Opposite:
- fragile
strong and thick, or rather fat and heavy in build
- Similar:
- sturdy
- Opposite:
- slim