
1) American play 2) American thriller novel 3) Frozen 4) Held fast or hemmed in by ice 5) Locked in by ice 6) Play set in Maine
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https://www.crosswordclues.com/clue/icebound

1) Frozen
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https://www.crosswordclues.com/clue/icebound

• (a.) Totally surrounded with ice, so as to be incapable of advancing; as, an icebound vessel; also, surrounded by or fringed with ice so as to hinder easy access; as, an icebound coast.
Found on
http://thinkexist.com/dictionary/meaning/icebound/
Ice'bound` adjective Totally surrounded with ice, so as to be incapable of advancing; as, an
icebound vessel; also, surrounded by or fringed with ice so as to hinder easy access; as, an
icebound coast.
Found on
http://www.encyclo.co.uk/webster/I/1

[
adj] - locked in by ice
Found on
http://www.webdictionary.co.uk/definition.php?query=icebound

a harbour, inlet, etc, is said to be icebound when navigation by ships is prevented due to ice, except possibly with the assistance of an icebreaker.
Found on
https://nsidc.org/cryosphere/glossary?page=13
adjective locked in by ice; `icebound harbors`
Found on
https://www.encyclo.co.uk/local/20974

held fast or hemmed in by ice; frozen in: an icebound ship. · obstructed or shut off by ice: an icebound harbor.
Found on
https://www.infoplease.com/dictionary/icebound
No exact match found.