adj. 1. weak; not intense; as, low-level radiation. [ WordNet 1.5 ]
2. lower in rank or importance. [ Narrower terms: adjunct, assistant; associate(prenominal) ; buck ; deputy(prenominal), proxy(prenominal) ; subject, dependent ; subservient ] [ Narrower terms: under(prenominal) ; ruled ; secondary ] Also See inferior, subordinate. Antonym: dominant. Syn. -- subordinate. [ WordNet 1.5 ]
3. at a low level in rank or importance; as, a low-level job; low-level discussions. [ WordNet 1.5 ]
4. occurring at a relatively low altitude; as, a low-level strafing run; low-level bombing. [ WordNet 1.5 ]