... he found it an insecure wilderness... 
W.H.G. Kingston 「Great African Travellers」
...The insecure state of the west front had been known foryears...
W.D. Sweeting 「The Cathedral Church of Peterborough」
...Grimly, Professor Prescott left his insecure perch and headed up overthat razor-back ridge whence the young geologist had vanished...
Various 「Astounding Stories, July, 1931」
...The carpenters were employed in preparing a roof for a new storehouse, those which were first erected being now decaying, and having been always insecure...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
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