“hasty” in Latin

festinans (in haste, of persons): properans (in the Golden Age properus only poetically; quick, speedy, hasty; of persons): citus (quick; opposed to tardus): citatus (hastened): praeceps (headlong; all of persons and things): festinationis plenus (full of haste; of things).

Hasty = over-hasty, rash, inconsiderate, etc., praeproperus (done or acting too soon, and so at an unfit time; e.g., gratulatio; ingenium): praeceps (headlong; hence rashly adopted, undertaken, etc.; e.g., consilium, cogitatio): immaturus (unripe, hence premature, etc.). (The words are found in this connection and order.) praeceps et immaturus (e.g., plan, consilium): subitus (sudden). (The words are found in this connection and order.) subitus ac repentinus (e.g., plans, consilia, Caes.): calidus (struck off, as it were, at a heat; of plans, consilia; opposed to cogitatus, Caes.): raptim praecipitatus (hurried through, as it were; e.g., consilia, Liv.). Sometimes temerarius: inconsultus: inconsideratus. (The words are found in this connection and order.) temerarius atque inconsideratus [SYN. in INCONSIDERATE]: praeceps ingenio (of a temper always apt to rush hastily into action). A person of hasty temper, homo in omnibus consiliis praeceps; rapidus in consiliis suis (with reference to the formation and adoption of plans); iracundus (passionate); qui prius dijudicat, quam quid rei sit sciat (in judgement, decisions, etc., Ter. Heaut., 2, 2, 8). Hasty words or declarations, *inconsulte dicta. To take a hasty view of anything, praeteriens aliquid strictim aspicio (PROP., Cic., De Or., 2, 35). To throw out a hasty remark, inconsultius evectum projicere aliquid (Liv.).