s

noun, often capitalized, often attributive
\ ˈes How to pronounce s (audio) \
plural s's or ss\ ˈe-​səz How to pronounce s (audio) \

Definition of s

 (Entry 1 of 7)

1a : the 19th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic s
2 : a graphic device for reproducing the letter s
3 : one designated s especially as the 19th in order or class
4 [abbreviation for satisfactory]
a : a grade rating a student's work as satisfactory
b : one graded or rated with an S
5 : something shaped like the letter S

Definition of s (Entry 2 of 7)

1 sabbath
2 saint
3 schilling
4 scruple
5 second; secondary
6 section
7 senate
8 series
9 shilling
10 [Latin signa] label
11 siemens
12 signor
13 sine
14 singular
15 small
16 smooth
17 snow
18 society
19 son
20 sou
21 south; southern
22 strange
23 subject
24 symmetrical

Definition of S (Entry 3 of 7)

1 satisfactory
2 short
3 standard deviation of a sample
4 svedberg

S

symbol

Definition of S (Entry 4 of 7)

sulfur

-s

plural noun suffix
\ s after a voiceless consonant, z after a voiced consonant or a vowel \

Definition of -s (Entry 5 of 7)

used to form the plural of most nouns that do not end in s, z, sh, ch, or postconsonantal y headsbooksboysbeliefs , to form the plural of proper nouns that end in postconsonantal y Marys , and with or without a preceding apostrophe to form the plural of abbreviations, numbers, letters, and symbols used as nouns MCsPhD's4sthe 1940's$sB's — compare -es entry 1

-s

adverb suffix

Definition of -s (Entry 6 of 7)

used to form adverbs denoting usual or repeated action or state always at home Sundaysmornings he stops by the newsstand

Definition of -s (Entry 7 of 7)

used to form the third person singular present of most verbs that do not end in s, z, sh, ch, or postconsonantal y fallstakesplays — compare -es entry 2

Examples of s in a Sentence

Noun a word that starts with an s a word that starts with s

First Known Use of s

Noun

before the 12th century, in the meaning defined at sense 1a

History and Etymology for s

Plural noun suffix

Middle English -es, -s, from Old English -as, nominative & accusative plural ending of some masculine nouns; akin to Old Saxon -os

Adverb suffix

Middle English -es, -s, plural ending of nouns, from -es, genitive singular ending of nouns (functioning adverbially), from Old English -es

Verb suffix

Middle English (Northern & North Midland dialect) -es, from Old English (Northumbrian dialect) -es, -as, probably from Old English -es, -as, 2nd singular present indicative ending — more at -est

Keep scrolling for more

Learn More About s

Time Traveler for s

Time Traveler

The first known use of s was before the 12th century

See more words from the same century

Statistics for s

Cite this Entry

“S.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/s. Accessed 18 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for s

s

noun

English Language Learners Definition of s

: the 19th letter of the English alphabet

s

noun, often capitalized
\ ˈes How to pronounce s (audio) \
plural s's or ss\ ˈe-​səz \

Kids Definition of s

1 : the 19th letter of the English alphabet
2 : a grade rating a student's work as satisfactory

Kids Definition of S

1 satisfactory
2 small
3 south
4 southern

-s

noun plural suffix
\ s after sounds f, k, p, t, th; əz after sounds ch, j, s, sh, z, zh; z after other sounds \

Kids Definition of -s

 (Entry 1 of 5)

used to form the plural of most nouns that do not end in s, z, sh, ch, x, or y following a consonant headsbooksbeliefs and with or without an apostrophe to form the plural of abbreviations, numbers, letters, and symbols used as nouns 4s#sB's

-s

adverb suffix

Kids Definition of -s (Entry 2 of 5)

used to form adverbs showing usual or repeated action or state We are always at home Sundays.

Kids Definition of -s (Entry 3 of 5)

used to form the third person singular present of most verbs that do not end in s, z, sh, ch, x, or y following a consonant fallstakesplays

Medical Definition of S

 (Entry 1 of 2)

1 sacral used especially with a number from 1 to 5 to indicate a vertebra or segment of the spinal cord in the sacral region the relative length of cord segments S1 to S5
2 signa used to introduce the signature in writing a prescription
3 smooth used of bacterial colonies
4 subject
5 svedberg

S

symbol

Medical Definition of S (Entry 2 of 2)

sulfur

More from Merriam-Webster on s

Nglish: Translation of s for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!