ancien / ancienne (former OR ancient)
BEFORE noun = former (previous) ; AFTER noun = ancient / very old ; Pronunciation: ahn-syen ; un ancien professeur = a former teacher ; une maison ancienne = a very old house
dernier / dernière (final OR last in time)
BEFORE noun = final ; AFTER noun = last in time (previous) ; Pronunciation: dehr-nyay / dehr-nyair ; le dernier exercice = the final exercise ; l’année dernière = last year
pauvre (unfortunate OR poor financially)
BEFORE noun = unfortunate / pitiable ; AFTER noun = poor (not rich) ; Pronunciation: poh-vruh ; un pauvre garçon = an unfortunate boy ; un garçon pauvre = a poor boy
cher / chère (dear OR expensive)
BEFORE noun = dear (emotionally) ; AFTER noun = expensive ; Pronunciation: shair ; une chère amie = a dear friend ; un repas cher = an expensive meal