plain

Plain is a related term of indubitable.

As adjectives the difference between plain and indubitable

is that plain is while indubitable is clearly true; providing no possibility of doubt.

As nouns the difference between plain and indubitable

is that plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief while indubitable is that which is indubitable.

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.

Uninteresting is a related term of plain.

As adjectives the difference between uninteresting and plain

is that uninteresting is arousing little or no interest; boring or uneventful while plain is .

As an adverb plain is

(colloquial) simply.

As a noun plain is

(rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

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.

Notorious is a synonym of plain.

As adjectives the difference between plain and notorious

is that plain is flat, level while notorious is widely known, especially for something bad; infamous.

As an adverb plain

is simply.

As a noun plain

is a lamentation.

As a verb plain

is to lament, bewail.

Plain is a related term of repugnant.

As adjectives the difference between plain and repugnant

is that plain is while repugnant is repugnant.

As verbs the difference between plain and repugnant

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

As an adverb plain

is (colloquial) simply.

As a noun plain

is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As adjectives the difference between complex and plain

is that complex is made up of multiple parts; composite; not simple while plain is .

As nouns the difference between complex and plain

is that complex is a problem while plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As verbs the difference between complex and plain

is that complex is (chemistry|intransitive) to form a complex with another substance while plain is to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.

As an adverb plain is

(colloquial) simply.

As nouns the difference between plain and layer

is that plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief while layer is a single thickness of some material covering a surface.

As verbs the difference between plain and layer

is that plain is to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface while layer is (ambitransitive) to cut or divide (something) into layers.

As an adjective plain

is .

As an adverb plain

is (colloquial) simply.

As verbs the difference between plain and face

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

As an adjective plain

is .

As an adverb plain

is (colloquial) simply.

As a noun plain

is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As adjectives the difference between plain and mean

is that plain is while mean is mid, central.

As nouns the difference between plain and mean

is that plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief while mean is middle.

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.

As adjectives the difference between unquestionable and plain

is that unquestionable is undeniable, obvious while plain is flat, level.

As an adverb plain is

simply.

As a noun plain is

a lamentation.

As a verb plain is

to lament, bewail.

Unprotected is a related term of plain.

As adjectives the difference between unprotected and plain

is that unprotected is not protected; lacking defense while plain is .

As an adverb plain is

(colloquial) simply.

As a noun plain is

(rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

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.