Sentence:  The scenes in its neighbourhood, Charmouth, with its high grounds and extensive sweeps of country, and still more, its sweet, retired bay, backed by dark cliffs, where fragments of low rock among the sands make it the happiest spot for watching the flow of the tide, for sitting in <WSD>unwearied</WSD> contemplation;— [...] 
Meaning of the word marked with <WSD> tags:  Not wearied, not tired.