Antonyms of adj frontmost

1 sense of frontmost

Sense 1
foremost, frontmost -- (preceding all others in spatial position; "the foremost compartment of the ship")

INDIRECT (VIA front) -> back -- (related to or located at the back; "the back yard"; "the back entrance")

Similarity of adj frontmost

1 sense of frontmost

Sense 1
foremost, frontmost -- (preceding all others in spatial position; "the foremost compartment of the ship")
       => front (prenominal) (vs. back) -- (relating to or located in the front; "the front lines"; "the front porch")