Ish

1.
a suffix used to form adjectives from nouns, with the sense of “belonging to” (British; Danish; English; Spanish); “after the manner of,” “having the characteristics of,” “like” (babyish; girlish; mulish); “addicted to,” “inclined or tending to” (bookish; freakish); “near or about” (fiftyish; sevenish).
2.
a suffix used to form adjectives from other adjectives, with the sense of “somewhat,” “rather” (oldish; reddish; sweetish).
1.
a suffix occurring in i -stem verbs borrowed from French:
ravish.
/ɪʃ/
sentence substitute
1.
(slang) used to express reservation or qualified assent: Things are looking up. Ish
suffix
1.
of or belonging to a nationality or group: Scottish
2.
(often derogatory) having the manner or qualities of; resembling: slavish, prudish, boyish
3.
somewhat; approximately: yellowish, sevenish
4.
concerned or preoccupied with: bookish

adjectival suffix, from Old English -isc, common Germanic (cf. Old Norse -iskr, German -isch, Gothic -isks), cognate with Greek diminutive suffix -iskos. Colloquially attached to hours to denote approximation, 1916.
isolated systolic hypertension