Synonyms for Limber (same or very similar meaning)
WordNet sense 1 (attach the limber):
limber up
WordNet sense 2 ((used of e.g. personality traits) readily adaptable):
supple
WordNet sense 3 (capable of being changed):
flexible
WordNet sense 4 (able to flex; able to bend easily):
flexile
From the ODE community, based on WordNet
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