noun, noun which may take the genitive case particle 'no'
prohibition of use; ban on using
Used in rules, signs, and formal notices to indicate that something must not be used. Often appears as a label or in the pattern 〜は使用禁止.
Use of mobile phones is prohibited in this area.
Eating and drinking are prohibited in the laboratory.
禁止 is a general term for prohibition; 使用禁止 specifically bans the use of something.
立入禁止 prohibits entry, while 使用禁止 prohibits use.
Compound of 使用 (use) and 禁止 (prohibition).