useful

CEFRA1

/ˈjuːsfl̩/

adjective

Türkçe translations

Translating…

In plain English

Examples

At a glance

Sits at A1 on the CEFR scale

Also pronounced

Deep Dive

In context

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

Practise this properly in the app, where the word comes back before you forget it.

The word in print, with each source given in full.

In the early days troubles were experienced with oscillation from the rod drive and with the transformers, but were overcome later, and these machines performed useful service until superseded by more modern locomotives less costly in maintenance.
1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743
Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.
2013 July–August, Lee S. Langston, “The Adaptable Gas Turbine”, in American Scientist

Looking a word up is the easy part. LexUp remembers which words you have met and brings them back at the point you were about to forget them.

From use + -ful.