Antonyms of adj in-between

1 sense of in-between

Sense 1
in-between, mediate, middle -- (being neither at the beginning nor at the end in a series; "adolescence is an awkward in-between age"; "in a mediate position"; "the middle point on a line")

INDIRECT (VIA intermediate) -> terminal -- (being or situated at an end; "the endmost pillar"; "terminal buds on a branch"; "a terminal station"; "the terminal syllable")

Similarity of adj in-between

1 sense of in-between

Sense 1
in-between, mediate, middle -- (being neither at the beginning nor at the end in a series; "adolescence is an awkward in-between age"; "in a mediate position"; "the middle point on a line")
       => intermediate (vs. terminal) -- (lying between two extremes in time or space or state; "going from sitting to standing without intermediate pushes with the hands"; "intermediate stages in a process"; "intermediate stops on the route"; "an intermediate range plane")