stopping
stopping :) EASY x
exciting
Matching
personae, personal, plastics
Plankton
stopping :) EASY x
a. & n. from Start, v.
enormousgiganticspaciouscolossal
Midnight
exciting
deprived
The 8-letter "opposite gender" of a male giant is "giantess." (There is no common 8-letter antonym to a giant or to the adjective giant.)
Imprison is a word which has the opposite to liberate and has eight letters
One is shutting.
fixtures
Scruples
Aqualung .