Antonyms of adj prospective
1 sense of prospective
Sense 1
prospective (vs. retrospective) -- (of or concerned with or related to the future; "prospective earnings"; "a prospective mother"; "a prospective bride"; "the statute is solely prospective in operation")
retrospective (vs. prospective) -- (concerned with or related to the past; "retrospective self-justification")
=> ex post facto, retroactive, retro -- (affecting things past; "retroactive tax increase"; "an ex-post-facto law"; "retro pay")
Similarity of adj prospective
1 sense of prospective
Sense 1
prospective (vs. retrospective) -- (of or concerned with or related to the future; "prospective earnings"; "a prospective mother"; "a prospective bride"; "the statute is solely prospective in operation")
=> likely, potential -- (expected to become or be; in prospect; "potential clients")
=> future -- (effective in or looking toward the future; "he was preparing for future employment opportunities")
Also See-> future#1