semipellucid
Half clear, or imperfectly transparent.

semipenniform
Half or partially penniform.

semiperspicuous
Half transparent; imperfectly clear

semiphlogisticated
Partially impregnated with phlogiston.

semitertian
Having a paroxysm every day, and a second stronger one every two days

semitertians
plural of semitertian

semoted
separated; removed; remote

sempervirid
sempervirent; evergreen

sempitern
sempiternal; everlasting

senatories
plural of senatory

senatory
The office of, or landed estate granted to, a senator, especially in France under the consulate and First French Empire.

sencelesse
Obsolete spelling of senseless.

sencible
Obsolete spelling of sensible.

senectitude
old age

senectude
Synonym of senectitude.

senectuous
Old; aged.

senescent
Growing old; decaying with the lapse of time.
Characteristic of old age.
That ceases to divide.

senile
Of, or relating to old age.
Exhibiting the deterioration in mind and body often accompanying old age; doddering.

senocular
Having six eyes.

sensationary
Relating to sensation or perception.

sensatory
Relating to sensation or perception.

senseful
Full of sense; meaningful; significant.
Full of (common) sense; sensible; intelligent.

senselesse
Obsolete spelling of senseless.

sensific
Exciting sensation; causing something to be felt.

sensificatory
Susceptible of, or converting into, sensation; sensory.

sensile
Capable of affecting the senses.

sensive
Having sense or sensibility; sensitive or sensory.

sensuall
Obsolete form of sensual.

sentencious
Obsolete form of sententious.

sententious
Using as few words as possible; pithy and concise.
Tending to use aphorisms or maxims; especially, to such an extent as to engage in trite moralizing, even self-righteously so.
Full of meaning.

separable
Able to be separated.
Able to be brought to a form where all occurrences of the dependent and the independent variable are on opposite sides of the equal sign.
Having a countable dense subset.
Any of several technical senses relating to the behavior of polynomials or objects over which polynomials can be defined:
Any of several technical senses relating to the behavior of polynomials or objects over which polynomials can be defined:
Any of several technical senses relating to the behavior of polynomials or objects over which polynomials can be defined:
Any of several technical senses relating to the behavior of polynomials or objects over which polynomials can be defined:

sepian
Of the sepia, i.e. the cuttlefish.
Of a dark or inky colour, often in reference to skin pigmentation.
Belonging to or pertaining to black Americans or African Americans, who typically have dark pigmentation of the skin.

sepians
plural of sepian

septcentenary
A 700-year anniversary.

septentrial
Obsolete form of septentrional.

septentrion
The north or northern regions.

septentrions
plural of septentrion

septicentennial
700th anniversary.
The celebration of a 700th anniversary.

septicentennials
plural of septicentennial

septick
Obsolete form of septic.

septiferous
Bearing a partition; said of the valves of a capsule.

septuagenaries
plural of septuagenary

septuagenary
Of or related to the number seventy, particularly
Of or related to the number seventy, particularly

sepult
buried.

sequacious
Likely to follow or yield to physical pressure; easily shaped or molded.
Likely to follow, conform, or yield to others, especially showing unthinking adherence to others' ideas; easily led.
Following neatly or smoothly.
Following logically or in an unvarying and orderly procession, tending in a single intellectual direction.

sequent
That comes after in time or order; subsequent.
That follows on as a result, conclusion etc.; consequent to, on, upon.
Recurring in succession or as a series; successive, consecutive.

sequents
plural of sequent

sequestred
Obsolete form of sequestered.

seraphical
Seraphic: of or relating to a seraph or the seraphim; (by extension) pure and sublime.

seraphicall
Obsolete form of seraphical.

seraphick
Obsolete form of seraphic.

sere
Without moisture; dry.
Of thoughts, etc.: barren, fruitless.
Of fabrics: threadbare, worn out.

serein
Alternative form of serene (“light rainfall from a cloudless sky after sunset”).

serene
Calm, peaceful, unruffled.
Without worry or anxiety; unaffected by disturbance.
Fair and unclouded (as of the sky); clear; unobscured.
Used as part of certain titles, originally to indicate sovereignty or independence.

serener
comparative form of serene: more serene

serenest
superlative form of serene: most serene

serer
comparative form of sere: more sere

serest
superlative form of sere: most sere

serose
serous

serovariant
Any variant of a serotype

serovariants
plural of serovariant

serpentigenous
Bred of a serpent
Characteristic of the movement of a snake or worm; serpentine

serratirostral
Having a serrated bill, like that of a toucan.

servient
subordinate

servil
Obsolete spelling of servile.

servious
servile; obsequious

sescuple
Synonym of sesquialterate.

sesquialter
Synonym of sesquialterate, 1½ times.
Synonym of sesquialteral, of or relating to 1½ notes.

sesquialteral
Synonym of sesquialterate, 1½ times.
Of or related to sesquialtera, 1½ notes.
Having full florets accompanied by lesser ones.
Having half as many stamens as petals.
Occupying a third of a wing or including a smaller band or spot in a larger one.

sesquialteran
Synonym of sesquialterate, in the proportion of 3 to 2 or 1½ to 1.

sesquialterate
In a ratio of 3 to 2 or 1½ times to 1.

sesquialterous
Synonym of sesquialteral, having a band or dot occupying a third of a wing.

sesquialters
plural of sesquialter

sesquicentenary
A 150-year anniversary.

sesquiduple
Of two and a half times.

sestercentennial
A 250th anniversary.

sestercentennials
plural of sestercentennial

setiparous
Producing setae.

seuerall
Obsolete spelling of several.

seveare
Obsolete spelling of severe.

sevearer
comparative form of seveare: more seveare

sevearest
superlative form of seveare: most seveare

sevendible
thorough; complete; utter.

sevenfolded
Obsolete form of sevenfold.

several
Separate, distinct; particular.
A number of different; various.
Separable, capable of being treated separately.

severall
Obsolete spelling of several.

severals
plural of several

sexagenaries
plural of sexagenary

sexagenary
Of or related to the number sixty
Of or related to the number sixty
Of or related to the number sixty

sexcess
Sexual excess.

sexcessories
plural of sexcessory

sexcessory
A sex toy.

sexfarious
Presenting six rows, extending longitudinally round an axis.

sexlocular
Having six cells for seeds.

sexly
Relating to a person's (bodily) sex.

sexradiate
Having six rays.

sextan
That recurs on the sixth day

sexual
Arising from the fact of being male or female; pertaining to sex or gender, or to the social relations between the sexes.
Capable of sexual reproduction; sexed, sexuate.
Pertaining to sexual intercourse or other intimate physical contact.
Characterised by sexual feelings or behaviour; possessing sexuality.
Pertaining to sexuality as a cultural phenomenon; relating to sexual behaviour or conduct.
Experiencing sexual attraction; not asexual.
Pertaining to the female sex.

sg
Abbreviation of singular.

shabbed
shabby

shadowish
Shadowy; vague.

shamefast
Bashful, modest; shy.

shamelesse
Obsolete form of shameless.

sharebroker
A stockbroker.

sharpe
Obsolete spelling of sharp.

sheene
Obsolete spelling of sheen.

sheerer
comparative form of sheer: more sheer

sheerest
superlative form of sheer: most sheer

shelfy
Abounding in shelves; containing crossbedded hard and soft layers that result in rocky shelves at varying angles.
Full of strata of rock.
Shelf-like; resembling or pertaining to a shelf.
Relatively horizontal and flat with low friction.

shepherdish
Resembling or suiting a shepherd; pastoral.

shewey
Obsolete form of showy.

shewier
comparative form of shewy: more shewy