Definitions that contains frontier from BoostVocab

frontier

/frən'tir/

noun
an international boundary or the area (often fortified) immediately inside the boundary
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type of:
boundary bounds bound
noun
an undeveloped field of study; a topic inviting research and development
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"he worked at the frontier of brain science"

type of:
study subject subject area subject field bailiwick discipline field field of study
noun
a wilderness at the edge of a settled area of a country
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"the individualism of the frontier in Andrew Jackson's day"

type of:
wild wilderness

Definition that contains frontier

hickock frontier marshal whose adventures have become legendary (1837-1876)
james butler hickock frontier marshal whose adventures have become legendary (1837-1876)
wild bill hickock frontier marshal whose adventures have become legendary (1837-1876)

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