- reluctance - (physics) opposition to magnetic flux (analogous to electric resistance)
--1 is a kind of electrical phenomenon
- reluctance, hesitancy, hesitation, disinclination, indisposition - a certain degree of unwillingness; "a reluctance to commit himself"; "after some hesitation he agreed"
--2 is a kind of unwillingness
--2 has particulars: sloth, slothfulness - reluctance, hesitancy, hesitation, disinclination, indisposition - a certain degree of unwillingness; "a reluctance to commit himself"; "after some hesitation he agreed"