I understand the word 'phobia' to mean an irrational fear of something, tracing its roots to the Greek word ῾φοβια᾽ associated with flight, dread, or terror. How then did this word ever come to embody 'dislike' or 'hatred', as in the word homophobia (I'm struggling to think of others... perhaps this says something)? I see that the word aversion seems to have similar issues, a word originally meaning to avert or avoid now somehow connoting a strong distaste or antipathy towards something... Thoughts? Answer Phobia: (Etymonline): "irrational fear, horror, aversion," 1786, perhaps on model of similar use in French, abstracted from compounds in -phobia, from Greek -phobia, from phobos "fear, panic fear, terror, outward show of fear; object of fear or terror," originally "flight" (still the only sense in Homer), but it became the common word for "fear" via the notion of "panic, fright" I think that the meaning...