0 Old HSK word(s):
紧闭* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

紧 tense, tight, taut / firm, secure
闭 shut, close / obstruct, block up

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual