-phobic /fəʊbɪk $ foʊ-/ BrE AmE suffix technical
1 . [in nouns] someone who has a strong unreasonable fear of something:
He’s a claustrophobic (=he fears small enclosed places) .
2 . [in adjectives] suffering from or connected with a strong unreasonable fear of something:
I’m a bit agoraphobic (=I am afraid of crowds and open places) .