inefficient
UK: ˌɪnɪˈfɪʃ(ə)nt | US: ˌɪnɪˈfɪʃ(ə)nt
adj. not achieving maximum productivity; wasting time, energy, or resources
adj. lacking the ability or skill to perform effectively
inefficient = in<not> + efficient<productive>
- in: A prefix of negation, from Latin in- meaning "not."
- efficient: From Latin efficientem (present participle of efficere), combining ex<out> + facere<to do/make>, meaning "productive" or "capable."
Etymology Origin:
The word "inefficient" emerged in the early 19th century by adding the negative prefix in- to "efficient," which itself derives from Latin efficere ("to accomplish"). The root facere (to do/make) is foundational in English (e.g., "factory," "facility"). The term logically evolved to describe systems or actions that fail to produce desired results optimally.
The outdated machinery made the factory highly inefficient.
His inefficient study habits led to poor exam performance.
The government was criticized for its inefficient use of taxpayer funds.
A lack of training resulted in inefficient workflow among the team.
The car's inefficient engine consumed far too much fuel.