Na-adjective (keiyodoshi), Nounfrivolous; flippant; superficial; shallow; trifling; insincere · flattery; (insincere) compliments

Noun, Na-adjective (keiyodoshi)feebleness; weakness

Na-adjective (keiyodoshi), Nounthin (air); weak (liquid); dilute; sparse (population); rarefied · lacking (enthusiasm, consideration, substance, etc.); insubstantial; deficient; tenuous (link)

Na-adjective (keiyodoshi), Nounlight (flavor, color, etc.); simple; plain · frank; candid; easygoing; unselfish; indifferent (to); not particular (about)

Na-adjective (keiyodoshi), Nounshorthanded; short of hands; undermanned · insufficient (stock, money, etc.); in short supply; low