bn:00104695a
Adjective Concept
JA
固い  堅い  堅固  堅牢  安全
EN
Immune to attack; incapable of being tampered with WordNet 3.0
Examples
Relations
Sources
JA
難攻不落の要塞 Japanese Open Multilingual WordNet
盗聴防止機能付き電話通話 Japanese Open Multilingual WordNet
国境を不可侵にした防備 Japanese Open Multilingual WordNet
SIMILAR
Japanese Open Multilingual WordNet