- Hard working
- Hard-working
- Painstaking
- Persevering, hard-working
- Constant in application or attention; devoted;
attentive; unremitting.
- Performed with constant diligence or attention;
unremitting; persistent; as, assiduous labor.
- Effective; useful
- Utilitarian
- Working
- Pertaining to, or connected with, a function or duty;
official.
- Pertaining to the function of an organ or part, or to
the functions in general.
- Busy
- Engaging in energetic physical pursuits
- In operation; busy
- Lively section of play I have briefly followed
- On fire
- On the go
- On the move
- Functional
- Half of Europe is sensible when working
- In working order
- Up and running
- Working
- Conscientious
- Conscientious, but ruins studio anyway
- Energetic
- Hard-working
- Given to industry; characterized by diligence;
constantly, regularly, or habitually occupied; busy; assiduous; not
slothful or idle; -- commonly implying devotion to lawful and useful
labor.
- Steadily and perseveringly active in a particular
pursuit or aim; as, he was negligent in business, but industrious in
pleasure; an industrious mischief maker.