1. capable of being fired or dismissed from a job
Usage: informal; chiefly North American
2. capable of being fired or discharged (as a weapon or projectile)
Usage: technical

Examples

• The employee's repeated violations made him fireable under company policy.
• Any breach of the confidentiality agreement is fireable offense.
• The new regulations specify which infractions are fireable.
• She worried that her mistake might be fireable.
• The weapon's fireable ammunition was stored separately.