preciso
adjective
1 (exacto) precise
una descripción precisa a precise description
hemos recibido instrucciones precisas we have received precise instructions; un reloj muy preciso a very precise o accurate watch
2 (justo)
en aquel preciso momento at that precise o very moment; tengo el tiempo preciso para comer y ducharme I have just enough time to eat and shower
3 (necesario) necessary
las cualidades precisas the necessary qualities; cuando sea preciso when it becomes necessary; si es preciso iré yo mismo I'll go by myself if necessary; es preciso tener coche it is essential to have a car; es preciso que lo hagas you must do it; no es preciso que vengas there's no need for you to come
ser un Don Preciso (S. Cone) to believe o.s. to be indispensable