The Collaborative International Dictionary of English v.0.48:
low-level \low-level\ 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] Lowlihood