An Encylopedia Britannica Company
Learner's Dictionary Logo
Learner's Dictionary mobile search
  • Home
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • My Saved Words
  • Login
×
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • Most Popular
  • My Saved Words
  • Log in
Learner's Dictionary
Browse the Leaner's Dictionary
  • a
  • b
  • c
  • d
  • e
  • f
  • g
  • h
  • i
  • j
  • k
  • l
  • m
  • n
  • o
  • p
  • q
  • r
  • s
  • t
  • u
  • v
  • w
  • x
  • y
  • z
« Previous Next »
  • roll–on
  • rollback
  • roller
  • roller coaster
  • roller rink
  • roller skate
  • roller–skate
  • rollicking
  • rolling
  • rolling pin
  • rolling stock
  • rollout
  • rollover
  • rollup
  • roly–poly
  • romaine
  • romance
  • romantic
  • romanticism
  • romanticize
  • romp
  • romper
  • rondo
  • roof
  • roof rack
  • roofer
  • roofing
  • roofline
  • rooftop
  • rook
« Previous Next »
ASK THE EDITOR
Please explain the use of 'a' and 'an'.
See the answer »
LEARNER'S QUIZZES
Vocabulary Quiz Icon
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing Icon
Name That Thing
Take our visual quiz
Test Your Knowledge »
LEARNER'S WORD OF THE DAY
Contact lens Illustration
contact lens
: a thin piece of round plastic that is worn on the eye to improve vision
Learn More »
The Merriam-Webster
Unabridged Dictionary
Merriam-Webster Unabridged Book Cover
Online access to a
legendary resource
Log In or Sign Up »
Learning Spanish?
We can help
Learner's Dictionary Book Cover
Visit our free site designed
especially for learners and
teachers of Spanish
SpanishCentral.com »
Woman With Cell Phone
Our Dictionary,
On Your Devices
Merriam-Webster,
With Voice Search
Get the Free Apps! »
Merriam-Webster's
Visual Dictionaries
Visual Dictionary Book Cover
The new edition of the
remarkable reference
features 8,000
illustrations.
Learn More »
Join Us
Learner's Dictionary
on Twitter »
Learner's Dictionary
on Facebook »
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more. See all »
Other Merriam-Webster Dictionaries
Webster's Unabridged Dictionary » Britannica English - Arabic Translation » Nglish - Spanish-English Translation »
Spanish Central » Visual Dictionary » WordCentral for Kids »
Browse the Learner's Dictionary
  1. Home
  2. Pronunciation Symbols
  3. Help
  4. About Us
  5. Mobile Apps
  6. Shop
  7. Dictionary API
  1. Privacy Policy
  2. Terms Of Use
  3. About Our Ads
  4. Contact Us
© 2020 Merriam-Webster, Incorporated