still

nouns

a static photograph (especially one taken from a movie and used for advertising purposes)
"he wanted some stills for a magazine ad"
is a type of (narrower)
a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material
(poetic) tranquil silence
"the still of the night"
an apparatus used for the distillation of liquids; consists of a vessel in which a substance is vaporized by heat and a condenser where the vapor is condensed
is a type of (narrower)
equipment designed to serve a specific function
a plant and works where alcoholic drinks are made by distillation

verbs

make calm or still
"quiet the dragons of worry and fear"
cause to be quiet or not talk
"Please silence the children in the church!"
lessen the intensity of or calm
"The news eased my conscience"; "still the fears"
make motionless
is a type of (narrower)
cause to change; make different; cause a transformation
"The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"

adjectives

not in physical motion
"the inertia of an object at rest"
is derived from
marked by absence of sound
"a silent house"; "soundless footsteps on the grass"; "the night was still"
is derived from
(of a body of water) free from disturbance by heavy waves
"a ribbon of sand between the angry sea and the placid bay"; "the quiet waters of a lagoon"; "a lake of tranquil blue water reflecting a tranquil blue sky"; "a smooth channel crossing"; "scarcely a ripple on the still water"; "unruffled water"
is derived from
used of pictures; of a single or static photograph not presented so as to create the illusion of motion; or representing objects not capable of motion
"a still photograph"; "Cezanne's still life of apples"
is derived from
antonym
not sparkling
"a still wine"; "still mineral water"
antonym
free from noticeable current
"a still pond"; "still waters run deep"
is derived from
is derived from
is similar to
(of fluids) not moving or flowing
"mosquitoes breed in standing water"

adverbs

with reference to action or condition; without change, interruption, or cessation
"it's still warm outside"; "will you still love me when we're old and grey?"
antonym
despite anything to the contrary (usually following a concession)
"although I'm a little afraid, however I'd like to try it"; "while we disliked each other, nevertheless we agreed"; "he was a stern yet fair master"; "granted that it is dangerous, all the same I still want to go"
to a greater degree or extent; used with comparisons
"looked sick and felt even worse"; "an even (or still) more interesting problem"; "still another problem must be solved"; "a yet sadder tale"
without moving or making a sound
"he sat still as a statue"; "time stood still"; "they waited stock-still outside the door"; "he couldn't hold still any longer"