Pronunciation: /eɪ biː siː diː/
noun a letter of the alphabet
A1 ABCD is the first four letters of the alphabet.
A2 Children learn the ABCD song in preschool.
B1 Students need to memorize the ABCD format for multiple choice tests.
B2 The ABCD rule is used to assess skin lesions for signs of melanoma.
C1 The ABCD analysis method is commonly used in business strategy.
C2 Researchers are studying the effectiveness of the ABCD model in predicting stock market trends.
adjective related to the alphabet or sequencing
A1 I learned the ABCD song in kindergarten.
A2 The children practiced writing ABCD on the chalkboard.
B1 The teacher used flashcards with ABCD letters to teach phonics.
B2 The student recited the ABCD alphabet backwards as a challenge.
C1 The linguist studied the origins of the ABCD characters in different languages.
C2 The typographer designed a new font inspired by the classic ABCD letterforms.
formal The students were asked to recite the ABCD of the project management process.
informal I always forget the ABCD of assembling this furniture.
slang She knows the ABCD of acing a test without studying.
figurative Understanding the ABCD of a new language can open up a whole new world of opportunities.
ABCDed
ABCDS
more ABCD
most ABCD
ABCD
will ABCD
have ABCDed
is ABCDing
ABCD
ABCD
to ABCD
ABCDing
ABCDed