similitude
Similarity or resemblance to something else.
A way in which two people or things share similitude.
Someone or something that closely resembles another; a duplicate or twin.
A parable or allegory.
A similarity: a transformation of Euclidean space that preserves angles and the ratios of distances.

similitudes
plural of similitude

simility
Similarity; likeness.

simiousness
The quality of being simious.

simmon
Alternative spelling of 'simmon (“persimmon”).

simosity
The quality of being simous.

simpleheartedness
Alternative form of simple-heartedness.

simplemindedness
The quality of being simpleminded.

simpleness
The property of being simple.

simplenesses
plural of simpleness

simpletonism
The quality of being a simpleton.

simplex
Having a single structure; not composite or complex; undivided, unitary.
Of an eye: (supposedly) having pigment on only the posterior surface of the iris and not the anterior surface, and thus appearing blue; this was later found to be inaccurate, as eye colour is due to the amount of pigment in the anterior surface of the iris; also, of eye pigmentation: present only on the posterior surface of the iris; and of a person: having eyes with this form of pigmentation.
Of a circuit or device: involving signals which travel in one direction at a time; unidirectional.
Of a polyploid organism: having one dominant allele at a given locus on all homologous chromosomes.
Synonym of heterozygous (“of an organism: having two different alleles in a given gene”).
Of a word: having no (derivational) affixes; simple, monomorphemic, uncompounded.
Of an apartment (or, sometimes, another type of property): having only one floor or storey; single-storey.

simplexes
plural of simplex

simplication
The process of simplicating.

simplices
plural of simplex

simpliciality
The quality of being simplicial.

simplicies
Misspelling of simplices.

simplicities
plural of simplicity

simplicity
The state or quality of being simple
The state or quality of being simple
The state or quality of being simple
The state or quality of being simple
The state or quality of being simple
The state or quality of being simple
An act or instance of foolishness.

simplifaction
simplification

simplifactions
plural of simplifaction

simplification
The act of simplifying or something that has been simplified.
A valid simple argument.

simplifications
plural of simplification

simplism
The trait of oversimplifying things by ignoring complexity and complications.
An instance of a brief or reductive depiction that neglects the full nuance and complexity of a concept or issue, and that omits or overlooks important details.

simplisms
plural of simplism

simplisticness
The quality of being simplistic.

simplity
simplicity

simuland
A thing to be simulated.

simulatability
The condition of being, or the extent to which something is simulatable

simulation
Something that simulates a system or environment in order to predict actual behaviour.
The process of simulating.
A video game designed to convey a more or less realistic experience, as of a sport or warfare.
Assuming an appearance which is feigned, or not true.
The act of falling over in order to be awarded a foul, when no foul has been committed.

simulations
plural of simulation

simulfix
A type of affix in which the change of meaning is conveyed by altering one or more existing phonemes in the affected morpheme, such as ablaut.
Synonym of circumfix.

simulfixes
plural of simulfix

simulism
A tendency to be similar; resemblance.

simultanea
plural of simultaneum

simultaneities
plural of simultaneity

simultaneity
The quality or state of being simultaneous; simultaneousness.
More than one complete musical texture occurring at the same time. This first appeared in the music of Charles Ives, and is common in the music of Conlon Nancarrow, and others.

simultaneousness
The quality or state of being simultaneous; simultaneity.

simultaneum
A simultaneous occurrence of unrelated events.
The shared use of a church for both Protestant and Catholic services.

sin
A violation of divine will or religious law.
Sinfulness, depravity, iniquity.
A misdeed or wrong.
A sin offering; a sacrifice for sin.
An embodiment of sin; a very wicked person.
A flaw or mistake.
sin bin

sinabaff
A kind of fine white material from Bengal, of uncertain manufacture.

sinabaffs
plural of sinabaff

sinacanthid
Any of a group of extinct chondrichthyans from China

sinacanthids
plural of sinacanthid

sinc
Ellipsis of sinc function: f = sin(x)/x.
Ellipsis of sinc function: f = sin(pi*x)/(pi*x).

sincereness
Synonym of sincerity.

sincerities
plural of sincerity

sincerity
The quality or state of being sincere.

sindhooram
Alternative form of sindooram.

sindhur
Alternative form of sindoor.

sindhuram
Alternative form of sindoor.

sindonology
The study of the Shroud of Turin from a believing perspective.

sindoor
A traditional red or orange cosmetic powder from India, usually worn by Hindu women along the parting of the hair as a sign of marriage.

sindooram
Alternative form of sindoor.

sine
In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

sinecatechin
Any of a group of catechins present in Camellia sinensis

sinecology
Misspelling of synecology.

sinecurism
The state of having a sinecure.

sinecurisms
plural of sinecurism

sines
plural of sine
pair of sixes of dice

sinewave
Alternative form of sine wave.

sinewaves
plural of sinewave

sinewiness
The state or condition of being sinewy.

sinewlessness
Absence of sinews.

sinfulness
The property of being sinful.
The result or product of being sinful.

sinfulnesses
plural of sinfulness

singability
The quality of being singable.

singableness
The quality of being singable.

singeli
A fast, energetic form of electronic dance music from Tanzania.

singerie
A satirical genre of visual arts depicting monkeys imitating human behaviour, often fashionably dressed.

singingness
The quality of singing, or having a song-like sound.

singledom
The state or sphere of those who are single (unmarried or unattached).

singlehandedness
Alternative form of single-handedness.

singleheartedness
Alternative form of single-heartedness.

singlehood
The state of being single (unattached or unmarried).

singlemindedness
The state or property of being singleminded.

singleness
The property of being single.
The result or product of being single.

singlenesses
plural of singleness

singletail
A variety of goldfish with an undivided tail.
A whip with a single lash.

singletails
plural of singletail

singlicate
An assay performed singularly, as opposed to replicated assays (e.g. assays performed in duplicate or triplicate).

singlino
A singlet form of Higgsino

singularisation
Alternative form of singularization.

singularisations
plural of singularisation

singularism
The philosophical strategy that asserts the validity of only a single interpretation.

singularities
plural of singularity

singularity
The state of being singular, distinct, peculiar, uncommon or unusual.
An unusual action or behaviour.
A point where all parallel lines meet.
A point where a measured variable reaches unmeasurable or infinite value.
The value or range of values of a function for which a derivative does not exist.
Ellipsis of gravitational singularity (“a point or region in spacetime in which gravitational forces cause matter to have an infinite density; associated with black holes”).
Ellipsis of technological singularity (“a hypothetical turning point in the future, the culmination of ever-accelerating technological progress, when human history as we have known it ends, and a strange new era begins. For some writers, the catalyst is superhuman machine intelligence”).
Anything singular, rare, or curious.
Possession of a particular or exclusive privilege, prerogative, or distinction.
Celibacy, singleness (as contrasted with marriage).