squaloid adjective 1noun 1forms 3 adjective1 •Characteristic of a shark or dogfishThe old man cracked a squaloid smile full of toothblack and breakfast scraps. — 1979 noun1 •Any dogfish (family Squalidae).Several species of squaloids have light-emitting organs, but none can glow as brightly as the monotypical Isistius brasiliensis. — 1983 formssqualoids · more squaloid · most squaloid