1. [ adjective ] existing alone or consisting of one entity or part or aspect or individual

"upon the hill stood a single tower" "had but a single thought which was to escape" "a single survivor" "a single serving" "a single lens" "a single thickness"

Related terms: multiple one lone one singular sui_generis unary uninominal one-man one-member one-man azygous
2. [ noun ] (baseball) a base hit on which the batter stops safely at first base
Related terms: base_hit line-drive_single
3. [ verb ] (baseball) hit a one-base hit, in baseball
Related terms: hit baseball
4. [ adjective ] having uniform application

"a single legal code for all"

Related terms: uniform
5. [ adjective ] involved two individuals

"single combat"

Related terms: individual
6. [ adjective ] individual and distinct
Synonyms: separate

"pegged down each separate branch to the earth" "a gift for every single child"

Related terms: individual
7. [ adjective ] not married or related to the unmarried state" "unmarried men and women"
Synonyms: unmarried

"unmarried life" "sex and the single girl" "single parenthood" "are you married or single?"

Related terms: married widowed divorced unwed mateless unmated
8. [ adjective ] characteristic of or meant for a single person or thing
Synonyms: individual separate

"an individual serving" "separate rooms" "single occupancy" "a single bed"

Related terms: unshared
9. [ adjective ] not divided among or brought to bear on more than one object or objective
Synonyms: exclusive undivided

"judging a contest with a single eye" "a single devotion to duty" "undivided affection" "gained their exclusive attention"

Related terms: concentrated
10. [ adjective ] (botany; of flowers) having usually only one row or whorl of petals

"single chrysanthemums resemble daisies and may have more than one row of petals"

Related terms: double botany
11. [ noun ] (mathematics) the smallest whole number or a numeral representing this number
Synonyms: one 1 ace unity I

"he has the one but will need a two and three to go with it" "they had lunch at one"

Related terms: digit singleton monad
Similar spelling:   Singley