IPA: //ʌnˈstrɛst//
KK: /ʌnˈstrɛst/
Not having emphasis or pressure placed on it, often used in linguistics to describe syllables that are not accented.
In the word 'banana', the second syllable is unstressed.
Unstressed → It is formed from "un-" (meaning not) and "stressed" (from Latin "stringere", meaning to draw tight). The word "unstressed" means not drawn tight or not emphasized, particularly in the context of syllables in language.
Think of 'not' ('un-') being applied to something that is 'tight' or 'emphasized' ('stressed'). This helps you remember that 'unstressed' refers to something that is not emphasized.