portentous
(en)
(adjective) of, relating to, or constituting a portent / (adjective) eliciting amazement or wonder; prodigious / (adjective) being a grave or serious matter / (adjective) self-consciously solemn or important; pompous / (adjective) ponderously excessive
Her silence is portentous, smooth and sealed.
notable
1 year, 5 months ago