This shows grade level based on the word's complexity.
flatten
[ flat-n ]
/ ËflĂŠt n /
Save This Word!
This shows grade level based on the word's complexity.
verb (used with object)
to make flat.
to knock down: The boxer flattened his opponent in the second round.
verb (used without object)
to become flat.
Verb Phrases
flatten in, Nautical. flat1 (def. 61).
flatten out, Aeronautics. to fly into a horizontal position, as after a dive.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
OTHER WORDS FROM flatten
flat·ten·er, nouno·ver·flat·ten, verb (used with object)un·flat·tened, adjectiveWords nearby flatten
flat sour, flat spin, flat spot, flatstick, flat tax, flatten, flatten the curve, flatter, flattered, flattering, flatter oneself
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use flatten in a sentence
British Dictionary definitions for flatten
flatten
/ (ËflĂŠtÉn) /
verb
(sometimes foll by out) to make or become flat or flatter
(tr) informal
- to knock down or injure; prostrate
- to crush or subduefailure will flatten his self-esteem
(tr) music to lower the pitch of (a note) by one chromatic semitoneUsual US word: flat
(intr foll by out) to manoeuvre an aircraft into horizontal flight, esp after a dive
Derived forms of flatten
flattener, nounCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012