ISBN
abbreviation. International standard book number. -ise variation of *-ize. usage see note at -ize. -ish suffix forming adjectives: 1 from nouns, meaning: a having the qualities of (boyish). B of the nationality of (danish). 2 from adjectives, meaning ‘somewhat’ (thickish). 3 colloq. Denoting an approximate age or time of day (fortyish; six-thirtyish). [old english]