grande profondeur

• IPA^(key): /ɡʁɑ̃d pʁɔ.fɔ̃.dœʁ/

grande profondeur f (usually uncountable, plural grandes profondeurs)

1. deep end (part of a swimming pool with relatively deep water)

   Synonyms: grand bain, grand bassin

   Coordinate term: petite profondeur

2. (figuratively) deep end (situation where expertise or experience is required)

• avoir pied
• perdre pied