il manquerait

would miss, would be missing, would be lacking

→ manquer
manquer to miss, to lack + ait he/she/it conditional
verb · third singular · conditional Rare #38,410
would miss
FR: Elle manquerait sa famille si elle partait longtemps.
EN: She would miss her family if she left for a long time.
would be missing, would be lacking Often used to say something is missing (e.g., an item, money, time).
FR: Il manquerait une chaise dans la salle.
EN: A chair would be missing in the room.
Conjugation of manquer
Conditional
SingularPlural
First manquerais
Second manquerais
Third manquerait

Il ne manquerait plus que ça.

That would be the last straw.

— Les Ailes du désir (1987)

Comme ils sont riches, leur soutirer de l'argent ne leur manquerait pas.

Since they’re rich, they wouldn’t miss the money if we took it from them.

— Lady Vengeance (2005)

Oui, il ne manquerait plus que ça!

Yes, that's all we need!

— Le Guépard (1963)

Manquerait plus qu'on le loupe.

All we need now is to miss it.

— Séquences et conséquences (2000)

Il ne manquerait plus que ca!

That's all we need!

— Le Guépard (1963)

Nous aussi, on lui manquerait.

We would miss him too.

— Tigre & Dragon (2000)