Not able to do something; not proficient; displaying incompetence. / Unfit; unsuitable.

Impossible to avoid or escape; inescapable, irresistible.

low in price

Not efficient; not producing the effect intended or desired; inefficacious / Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing

A person who cannot or does not work efficiently.

(physics, uncountable or countable) The property of a body that resists any change to its uniform motion; equivalent to its mass. / (figuratively) In a person, unwillingness to take action.

Impossible to prevent or stop; inevitable. / Unable to be persuaded; relentless; unrelenting. / Adamant; severe.

(chemistry) A gas which does not undergo chemical reactions. / (chemistry, specifically) A noble gas.

Unable to move or act; inanimate. / Sluggish or lethargic. / In chemistry, not readily reacting with other elements or compounds. / Having no therapeutic action.

(chemistry) A substance that does not react chemically.