As adjectives the difference between inappropriate and inefficient
is that inappropriate
is not appropriate; not suitable for the situation, time, and/or place while inefficient
Not appropriate; not suitable for the situation, time, and/or place.
- It is inappropriate to burp at a formal dinner.
- "While PDA or sexual irresponsibility may be considered unsuitable, it is not inappropriate for teenagers in a relationship and nearly of legal age to talk alone."
* out of line
Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures.
Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workers; an inefficient administrator.
- Celery is an inefficient food.
- Jessica was terribly inefficient at cleaning, so her brother usually had to clean the whole room.