doldrums /dolˈdrəmz/

1. Those parts of the ocean near the equator where calms and baffling winds prevail (nautical)
2. A state of inactivity or stagnation
3. Low spirits

• sequaciousness
• sequaciousnesses
• sequacities
• sequacity
• sequel
• sequela
• sequelae
• sequels
• sequence
• sequenced
• sequence of tenses
• sequencer
• sequencers
• sequences
• sequencing
• sequencings
• sequent
• sequential
• sequential access
• sequentialities
• sequentiality
• sequentially
• sequently
• sequents
• sequester