single

As a noun single

is single (45rpm vinyl record).

As an adjective undefined is

lacking a definition or value.

As nouns the difference between single and sign

is that single is single (45rpm vinyl record) while sign is (sometimes|also used uncountably) a visible indication.

As a verb sign is

to make a mark.

As nouns the difference between bachelors and single

is that bachelors is plural of lang=en while single is a 45 RPM vinyl record with one song on side A and one on side B.

As an adjective single is

not accompanied by anything else; one in number.

As a verb single is

to identify or select one member of a group from the others; generally used with out, either to single out or to single (something) out.

As adjectives the difference between single and uncompounded

is that single is not accompanied by anything else; one in number while uncompounded is not compounded.

As a noun single

is a 45 RPM vinyl record with one song on side A and one on side B.

As a verb single

is to identify or select one member of a group from the others; generally used with out, either to single out or to single (something) out.

Single is a related term of harmless.

As a noun single

is single (45rpm vinyl record).

As an adjective harmless is

incapable of causing harm or danger.

Single is a related term of plain.

As nouns the difference between single and plain

is that single is single (45rpm vinyl record) while plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As an adjective plain is

.

As an adverb plain is

(colloquial) simply.

As a verb plain is

to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.