Wordnet

portage にWordnet があった。
この形式のコマンド

wn spontaneous -over

で、こういう出力

Overview of adj spontaneous

The adj spontaneous has 3 senses (first 1 from tagged texts)

1. (8) spontaneous, self-generated -- (happening or arising without apparent external cause; "spontaneous laughter"; "spontaneous combustion"; "a spontaneous abortion")
2. ad-lib, spontaneous, unwritten -- (said or done without having been planned or written in advance; "he made a few ad-lib remarks")
3. wild, spontaneous -- (produced without being planted or without human labor; "wild strawberries")

が得られる。

wnb

がGUIフロントエンド。