for længst meaning in English

long ago▼◼◼◼[UK: ˈlɒŋ ə.ˈɡəʊ] [US: ˈlɔːŋ əˈɡo.ʊ]

long since▼◼◼◼[UK: ˈlɒŋ sɪns] [US: ˈlɔːŋ ˈsɪns]

for a long time▼◼◼◻[UK: fɔː(r) ə ˈlɒŋ ˈtaɪm] [US: ˈfɔːr ə ˈlɔːŋ ˈtaɪm]

in a long time▼◼◻◻

for ages▼◼◻◻[UK: fɔː(r) ˈeɪ.dʒɪz] [US: ˈfɔːr ˈeɪ.dʒəz]

ancient history▼