Ambiguity in this context means you can derive some information but not as much as if it were precise.
"The weather is stormy" doesn't give you information about whether you need snowshoes or rainboots.
It's very possible that conlangs like Lojban and Ithkuil still contain concepts about storms that don't require a speaker to indicate what kind of precipitation the storm produced.
mlatu = x1 (entity) is a cat of species x2 (taxon) As a noun: lo mlatu — cat.
carvi = x1 (entity) rains or showers to x2 (entity) from x3 (entity) As a noun: lo carvi — rain. lo te carvi — rain cloud.
simxu = x1 (entity group) mutually do x2 (relation between members of x1, contains two places for [ce'u]) As a noun: lo se simxu — done mutually.
cnemu = x1 (entity) rewards x2 (entity) for atypical x3 (property of x2) with x4 (entity, property of x1) As a noun: lo cnemu — rewarder. lo se cnemu — rewardee. lo te cnemu — reason for a reward. lo ve cnemu — reward.