Antonyms of adj appreciable

1 sense of appreciable

Sense 1
appreciable -- (enough to be estimated or measured; "appreciable amounts of noxious wastes are dumped into the harbor")

INDIRECT (VIA considerable) -> inconsiderable -- (too small or unimportant to merit attention; "passed his life in an inconsiderable village"; "their duties were inconsiderable"; "had no inconsiderable influence")

Similarity of adj appreciable

1 sense of appreciable

Sense 1
appreciable -- (enough to be estimated or measured; "appreciable amounts of noxious wastes are dumped into the harbor")
       => considerable (vs. inconsiderable) -- (large or relatively large in number or amount or extent or degree; "a considerable quantity"; "the economy was a considerable issue in the campaign"; "went to considerable trouble for us"; "spent a considerable amount of time on the problem")