tenuous (adj.)

• adulterated
• aerial
• airy
• aloof
• atomic
• attenuate
• attenuated
• boyish
• broken
• chimerical
• corpuscular
• cut
• dainty
• delicate
• detached
• diaphanous
• dilute
• diluted
• disconnected
• discontinuous
• discrete
• doubtful
• dreamlike
• dubious
• embryonic
• ethereal
• evanescent
• fanciful
• fatuous
• feeble
• fine
• finespun
• flimsy
• fragile
• frail
• gaseous
• gauzy
• germinal
• girlish
• gossamer
• gracile
• granular
• hazy
• illusory
• imaginary
• impalpable
• imperceptible
• imponderable
• inappreciable
• incoherent
• inconsistent
• indiscernible
• infinitesimal
• insignificant
• insubstantial
• intangible
• invisible
• lacy
• light
• microcosmic
• microscopic
• misty
• molecular
• nebulous
• negligible
• nonadhesive
• open
• paltry
• papery
• rare
• rarefied
• reedy
• shadowy
• shaky
• sketchy
• slender
• slight
• slim
• small
• spirituous
• subatomic
• subtle
• svelte
• sylphlike
• thin
• thin-bodied
• thinned
• threadlike
• trifling
• twiggy
• ultramicroscopic
• unconnected
• unreal
• unseeable
• unsubstantial
• vague
• vaporous
• wasp-waisted
• watered
• watery
• weak
• willowy
• windy
• wispy