inefficient
Translation
inefficient, wasteful
Examples
The old heating system is very inefficient.
The old heating system is very inefficient.
His method of working is inefficient.
His method of working is inefficient.
Grammar Patterns
to be inefficient to be inefficient The process is inefficient and needs to be changed.
Similar Words
Synonyms: wasteful, unproductive; Antonyms: efficient, productive
Etymology
From the prefix 'in-' (not) + 'efficient'. It means 'not achieving maximum productivity'.
Memory Tips
Simply the opposite of 'efficient'. If a process wastes time or resources, it's inefficient.