sempiternally
In a sempiternal manner; eternally.
in an everlasting manner, as to have an infinite temporal duration; as opposed to eternally or timelessly, as to exist outside time

semplice
(To be played) simply, without embellishments.

sempre
always, still; maintaining the same style

senatorially
In a senatorial manner.

senilely
In a senile manner.

sensately
In a sensate manner.

sensationalistically
In a sensationalistic manner.

sensationally
In a sensational manner.
To a sensational extent; amazingly.

senselessly
In a senseless manner.

sensibly
In a sensible manner; in a way that shows good sense.
In a way that can be sensed or noticed; perceptibly.

sensically
In a sensical way; reasonably, sanely.

sensitively
In a sensitive manner; with sensitivity.

sensitometrically
By means of or in terms of sensitometry.

sensorially
With regard to the senses.

sensorily
In a sensory manner.

sensorineurally
In a sensorineural manner.

sensualistically
In a sensualistic manner.

sensually
In a sensual manner; in a way that excites the senses; sexily.

sensuously
In a sensuous manner.

sentenciously
Obsolete form of sententiously.

sententially
In a sentential way.

sententiously
In a sententious manner, concisely, pithily.

sentiently
In a sentient manner; knowingly.

sentimentalistically
In a sentimentalistic manner.

sentimentally
In a sentimental manner.

sentinelwise
In the manner of a sentinel; as if guarding something.

separably
Such that it can be separated.

separatedly
In a separated manner
Misspelling of separately.

separately
In a separate manner; not together; apart.

separatively
In a separative manner.

seperately
Misspelling of separately.

septally
With regard to a septum.

septennially
Once in every seven years.

septically
In a septic manner; in a manner tending to promote putrefaction.

septicidally
In a septicidal manner.

septifragally
In a septifragal manner.

septuply
In a septuple fashion.

sepulchrally
in a sepulchral manner

sequaciously
by a logically developed argument.
with blind acceptance.

sequentially
In sequence, in order.

seraphically
in a seraphic manner; with angelic purity.

serely
separately; differently; severally; distinctly.

serendipitously
By serendipity; by blind luck in combination with wisdom; by fortunate accident.

serenely
In a serene manner.

serfishly
In a serfish manner.

serially
In series, one after the other, as opposed to in parallel.

seriately
In seriate fashion.

sericeously
In a sericeous manner.

sericulturally
In terms of sericulture.

seriocomically
In a seriocomic manner.

seriousley
Misspelling of seriously.

seriously
In a serious or literal manner.
Gravely; deeply; very much.
Used to attempt to introduce a serious point in a less serious conversation.
Used to call back to a previous point, in disbelief or for emphasis.
In an extreme or major way; majorly.

sermonically
In a sermonic or sermonical manner.

sermonwise
In the manner of a sermon.

serodiagnostically
In a serodiagnostic way; using serodiagnosis; diagnostically by way of serology.

serologically
With respect to the analysis of blood.

serosally
In a serosal manner

serotypically
In a serotypical manner
With respect to a serotype

serpentinely
In a serpentine manner.

serpentiningly
With serpentine twistings.

serpiginously
In a serpiginous manner.

serratedly
In a serrated manner.

serrately
In a serrate manner.

serriedly
Crowded together in rows.

serrulately
In a serrulate manner.

serviceably
In a serviceable manner.

servilely
In a servile way; fawningly.

sesquicentennially
Celebrated after 150 years.

sessilely
In a sessile manner.

setaceously
In a setaceous manner.

setosely
In a setose manner.

settledly
In a settled manner.

seventeenthly
In the seventeenth place; seventeenth in a row.

seventhly
In the seventh place; seventh in a row.

seventiethly
In the seventieth place; seventieth in a row.

severally
separately
Several times, repeatedly

severely
In a severe manner.

sexadecimally
In a sexadecimal manner; in sixteen parts, or in hexadecimal.

sexagesimally
In the sexagesimal system.

sexangularly
Synonym of hexagonally.

sexennially
Once in every six years.

sexily
In a sexy manner.

sexistly
In a sexist manner.

sexlessly
In a sexless manner, or in a way that lacks sex appeal.

sexologically
In terms of sexology.

sextennially
Once in every six years.

sextually
In a sextual manner.

sextuply
In a sextuple fashion.

sexually
In a sexual manner; erotically.
With respect to sex (either of the two divisions of organisms).
With respect to sexual intercourse.
By means of sexual intercourse.

sexuoerotically
In a sexuoerotic manner.

sexwise
In terms of sex; sexually.

shabbily
In a shabby manner.
Done poorly or ineptly.

shadelessly
In a shadeless way: exposedly, without shelter from the sun.
In a shadeless way: without shades of colour.

shadily
In a shady manner, particularly used in the sense of untrustworthy.

shadowily
In a shadowy manner.

shadowishly
In a shadowish manner.

shaftwork
shafts, collectively

shaggily
In a shaggy manner.

shakenly
In a shaken or nervous manner.

shakily
In a shaky manner.

shakingly
In a shaking manner; shakily

shallowly
In a shallow manner, without depth.

shamably
In a shamable manner.

shamanically
In a shamanic manner.

shamanistically
In a shamanistic manner.

shamblingly
With a shambling motion.

shambolically
In a shambolic manner.

shamedly
With shame.

shamefacedly
In a shamefaced manner.

shamefully
In a shameful manner.
Used to express discontent with a situation or occurrence.

shamelessly
In a shameless manner; without shame; impudently.

shamingly
In a shaming way.

shapedly
In a shaped manner.

shapelessly
In a shapeless manner.

shapelily
In a shapely manner.

shapingly
So as to give shape to something.

sharkishly
In a sharkish manner.

sharpishly
In a sharpish manner.

shatteringly
In a shattering manner

shawlwise
Arranged in the manner of a shawl.

sheafwise
In sheaves or bundles.

shearotactically
As a result of shearotaxis

sheenly
brightly

sheepily
In the manner of a sheep; sheepishly.

sheepishly
In a sheepish way; shyly; meekly; bashfully; self-consciously; with embarrassment.

sheepwise
In an sheeplike manner.
With regard to sheep.
Per sheep: per head with regard to sheep.

sheerly
Absolutely; purely; quite.
At a very steep angle; precipitously.
At once.

sheetwise
Printed one side of a sheet at a time, with the form replaced on the press between sides.

shelfward
Toward a (geological) shelf.

shelfwards
Alternative form of shelfward.

shelteringly
So as to provide shelter.

shelvingly
So as to slope steeply.

shieldedly
In a shielded manner; protectedly

shieldingly
In a way that shields.

shieldwise
In the manner of a shield; as a protective barrier.

shiftily
In a shifty manner.

shiftingly
In a shifting manner; changeably.

shiftlessly
In a shiftless manner.

shily
Archaic form of shyly.

shimmeringly
In a shimmering manner; while shimmering; so as to shimmer.

shinglewise
Laid out in an overlapping arrangement like shingles.

shinily
In a shiny manner.

shiningly
In a shining manner; brilliantly.

shipshapely
In shipshape fashion.

shipward
toward a ship

shipwards
Towards a ship.

shirtily
In a shirty manner.

shirtlessly
Without (wearing) a shirt.

shirtwise
In the style of a shirt.

shitfully
In a shitful manner.

shitheadedly
In a shitheaded manner.

shitlessly
In a state of sheer terror.

shitly
Terribly; extremely poorly.

shittily
In a shitty way.

shiveringly
While shivering, for example with fright.
In a manner or to an extent that makes one shiver.

shlockily
Alternative form of schlockily.

shoalwise
In or as a shoal.

shockingly
In a shocking manner.
To a shocking degree.

shoddily
In a shoddy manner; lacking quality and done poorly, usually in a cheap and low quality way.

shoelessly
Without shoes.

shogunally
By a shogun or shoguns.

sholy
Pronunciation spelling of surely, representing African-American Vernacular English.