lurking (?.)

• abeyant
• about to be
• already in sight
• approaching
• at hand
• between the lines
• brewing
• close
• close at hand
• coming
• covert
• cryptic
• delitescent
• doggo
• dormant
• esoteric
• forthcoming
• furtive
• future
• gathering
• going to happen
• hibernating
• hidden
• hidden out
• immediate
• imminent
• impendent
• impending
• in ambush
• in danger imminent
• in hiding
• in prospect
• in reserve
• in store
• in the cards
• in the offing
• in the wind
• in the wings
• in view
• instant
• latent
• looming
• lowering
• menacing
• muffled
• mystic
• near
• near at hand
• nearing
• obfuscated
• obscured
• occult
• on the horizon
• on tiptoe
• overhanging
• possible
• potential
• preparing
• prowling
• pussyfoot
• pussyfooted
• quiescent
• skulking
• sleeping
• sneaking
• stealing
• stealthy
• submerged
• surreptitious
• that will be
• threatening
• to come
• under cover
• under the surface
• underlying
• unmanifested
• upcoming
• veiled
• virtual
• waiting
• waiting concealed