{"id":1614,"date":"2020-11-11T18:58:44","date_gmt":"2020-11-11T18:58:44","guid":{"rendered":"http:\/\/www.clueclinic.com\/?page_id=1614"},"modified":"2026-02-17T18:25:58","modified_gmt":"2026-02-17T18:25:58","slug":"single-letter-indicators","status":"publish","type":"page","link":"https:\/\/clueclinic.com\/index.php\/single-letter-indicators\/","title":{"rendered":"Single Letter Indicators"},"content":{"rendered":"

This table contains single letter indicators which are not in the abbreviation or letter selection lists. The great majority of ways to indicate a single letter in a cryptic wordplay can be found in one of these three lists.<\/p>\n

The list below can be sorted alphabetically on Indicator (default) or Letter Indicated, in either ascending (default) or descending sequence. The Search box allows full and partial searching of the first two columns in the list.<\/p>\n

Date last modified: 17\/02\/26<\/em>
\nRecent changes: <\/em>(04\/09\/24) added egg, round<\/em> (shape of letter O), (21\/12) added certificate<\/em> for U (film classification), (16\/02\/25) added base<\/em>, irrational<\/em> for E, (17\/02\/26) added unplaced (O, horse racing).\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Indicator<\/th>Alternative Forms<\/th>Letter Indicated<\/th>Type<\/th>Explanation<\/th>\n<\/tr>\n<\/thead>\n
alpha<\/td><\/td>A<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
article<\/td><\/td>A<\/td>Standard<\/td><\/td>\n<\/tr>\n
axis<\/td>co-ordinate<\/td>X<\/td>Standard<\/td>Graphs<\/td>\n<\/tr>\n
axis<\/td>co-ordinate<\/td>Y<\/td>Standard<\/td>Graphs<\/td>\n<\/tr>\n
axis<\/td>co-ordinate<\/td>Z<\/td>Standard<\/td>Graphs<\/td>\n<\/tr>\n
base<\/td><\/td>E<\/td>Standard<\/td>Mathematics<\/td>\n<\/tr>\n
bee<\/td><\/td>B<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
bend<\/td><\/td>S<\/td>Standard<\/td><\/td>\n<\/tr>\n
bend<\/td><\/td>U<\/td>Standard<\/td><\/td>\n<\/tr>\n
bend<\/td><\/td>Z<\/td>Standard<\/td><\/td>\n<\/tr>\n
bravo<\/td><\/td>B<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
by<\/td>times<\/td>X<\/td>Standard<\/td>Multiplication symbol<\/td>\n<\/tr>\n
canine letter<\/td><\/td>R<\/td>Advanced<\/td>See Chambers<\/td>\n<\/tr>\n
certificate<\/td><\/td>U<\/td>Standard<\/td>Film classification<\/td>\n<\/tr>\n
Charlie<\/td><\/td>C<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
circular letter<\/td><\/td>O<\/td>Standard<\/td><\/td>\n<\/tr>\n
cross<\/td><\/td>X<\/td>Standard<\/td><\/td>\n<\/tr>\n
cue<\/td><\/td>Q<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
curve<\/td><\/td>J<\/td>Advanced<\/td>J-curve<\/td>\n<\/tr>\n
Dee<\/td><\/td>D<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
delta<\/td><\/td>D<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
duck<\/td>blob<\/td>O<\/td>Standard<\/td><\/td>\n<\/tr>\n
echo<\/td><\/td>E<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
egg<\/td><\/td>O<\/td>Standard<\/td><\/td>\n<\/tr>\n
ego<\/td>self\/first person<\/td>I<\/td>Standard<\/td><\/td>\n<\/tr>\n
Emma<\/td><\/td>M<\/td>Advanced<\/td>Signalling<\/td>\n<\/tr>\n
ex<\/td><\/td>X<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
factor<\/td><\/td>X<\/td>Standard<\/td><\/td>\n<\/tr>\n
fifth<\/td><\/td>V<\/td>Standard<\/td>Roman ordinal<\/td>\n<\/tr>\n
fifty<\/td>50<\/td>L<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
first<\/td><\/td>I<\/td>Standard<\/td>Roman ordinal<\/td>\n<\/tr>\n
first class<\/td>top grade<\/td>A<\/td>Standard<\/td><\/td>\n<\/tr>\n
five<\/td>5<\/td>V<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
five hundred<\/td>500<\/td>D<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
foxtrot<\/td><\/td>F<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
gee<\/td><\/td>G<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
golf<\/td><\/td>G<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
honour<\/td><\/td>J<\/td>Advanced<\/td>Cards<\/td>\n<\/tr>\n
honour<\/td><\/td>Q<\/td>Advanced<\/td>Cards<\/td>\n<\/tr>\n
honour<\/td><\/td>K<\/td>Advanced<\/td>Cards<\/td>\n<\/tr>\n
honour<\/td><\/td>A<\/td>Advanced<\/td>Cards<\/td>\n<\/tr>\n
horseshoe<\/td><\/td>U<\/td>Standard<\/td><\/td>\n<\/tr>\n
hotel<\/td><\/td>H<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
hundred<\/td>100\/ton\/century<\/td>C<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
India<\/td><\/td>I<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
irrational<\/td><\/td>E<\/td>Standard<\/td>Mathematics<\/td>\n<\/tr>\n
jay<\/td><\/td>J<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
Juliet<\/td><\/td>J<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
junction<\/td><\/td>T<\/td>Standard<\/td><\/td>\n<\/tr>\n
Kay<\/td><\/td>K<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
kilo<\/td><\/td>K<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
kiss<\/td><\/td>X<\/td>Standard<\/td><\/td>\n<\/tr>\n
Lima<\/td><\/td>L<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
loud<\/td><\/td>F<\/td>Standard<\/td>Forte<\/td>\n<\/tr>\n
love<\/td>zip\/zero\/nothing\/nil<\/td>O<\/td>Standard<\/td><\/td>\n<\/tr>\n
Mike<\/td><\/td>M<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
notch<\/td><\/td>V<\/td>Standard<\/td><\/td>\n<\/tr>\n
November<\/td><\/td>N<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
one<\/td><\/td>A<\/td>Standard<\/td><\/td>\n<\/tr>\n
one<\/td><\/td>I<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
Oscar<\/td><\/td>O<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
papa<\/td><\/td>P<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
pee<\/td><\/td>P<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
pen<\/td><\/td>J<\/td>Advanced<\/td>J-pen<\/td>\n<\/tr>\n
per<\/td><\/td>A<\/td>Standard<\/td>For each<\/td>\n<\/tr>\n
point<\/td><\/td>N<\/td>Standard<\/td><\/td>\n<\/tr>\n
point<\/td><\/td>E<\/td>Standard<\/td><\/td>\n<\/tr>\n
point<\/td><\/td>S<\/td>Standard<\/td><\/td>\n<\/tr>\n
point<\/td><\/td>W<\/td>Standard<\/td><\/td>\n<\/tr>\n
pole<\/td><\/td>N<\/td>Standard<\/td><\/td>\n<\/tr>\n
pole<\/td><\/td>S<\/td>Standard<\/td><\/td>\n<\/tr>\n
posh<\/td>upper class<\/td>U<\/td>Standard<\/td><\/td>\n<\/tr>\n
programming language<\/td><\/td>C<\/td>Standard<\/td><\/td>\n<\/tr>\n
Quebec<\/td><\/td>Q<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
Romeo<\/td><\/td>R<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
round<\/td><\/td>O<\/td>Standard<\/td><\/td>\n<\/tr>\n
second class<\/td>second rate<\/td>B<\/td>Standard<\/td><\/td>\n<\/tr>\n
see<\/td><\/td>C<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
shape of console<\/td><\/td>S<\/td>Advanced<\/td>See Chambers<\/td>\n<\/tr>\n
sierra<\/td><\/td>S<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
soft<\/td>softly<\/td>P<\/td>Standard<\/td>Piano<\/td>\n<\/tr>\n
spymaster<\/td><\/td>M<\/td>Standard<\/td>James Bond<\/td>\n<\/tr>\n
tango<\/td><\/td>T<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
tee<\/td><\/td>T<\/td>Standard<\/td>Name of letter<\/td>\n<\/tr>\n
ten<\/td>10<\/td>X<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
tenth<\/td><\/td>X<\/td>Standard<\/td>Roman ordinal<\/td>\n<\/tr>\n
thousand<\/td>1000<\/td>M<\/td>Standard<\/td>Roman numeral<\/td>\n<\/tr>\n
turn<\/td><\/td>U<\/td>Standard<\/td><\/td>\n<\/tr>\n
uniform<\/td><\/td>U<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
unknown<\/td>variable<\/td>X<\/td>Standard<\/td>Algebra<\/td>\n<\/tr>\n
unknown<\/td>variable<\/td>Y<\/td>Standard<\/td>Algebra<\/td>\n<\/tr>\n
unknown<\/td>variable<\/td>Z<\/td>Standard<\/td>Algebra<\/td>\n<\/tr>\n
unplaced<\/td><\/td>O<\/td>Advanced<\/td>Horse racing<\/td>\n<\/tr>\n
victor<\/td><\/td>V<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
vote<\/td><\/td>X<\/td>Standard<\/td><\/td>\n<\/tr>\n
whiskey<\/td><\/td>W<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
wrong answer<\/td><\/td>X<\/td>Standard<\/td><\/td>\n<\/tr>\n
Yankee<\/td><\/td>Y<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n
yes<\/td>indeed<\/td>I<\/td>Advanced<\/td>Same as aye<\/td>\n<\/tr>\n
Zulu<\/td><\/td>Z<\/td>Standard<\/td>Radio communications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n","protected":false},"excerpt":{"rendered":"

This table contains single letter indicators which are not in the abbreviation or letter selection lists. The great majority of ways to indicate a single letter in a cryptic wordplay can be found in...<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"class_list":["post-1614","page","type-page","status-publish","hentry"],"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":0,"sum_votes":0},"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/pages\/1614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/comments?post=1614"}],"version-history":[{"count":12,"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/pages\/1614\/revisions"}],"predecessor-version":[{"id":6429,"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/pages\/1614\/revisions\/6429"}],"wp:attachment":[{"href":"https:\/\/clueclinic.com\/index.php\/wp-json\/wp\/v2\/media?parent=1614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}