All adverbs
- aground
- with the bottom lodged on the ground
- aloof
- in an aloof manner
- seasonally
- depending on the season
- herein
- in this place or thing or document
- syntactically
- with respect to syntax
- unhappily
- in an unpleasant way
- busily
- in a busy manner
- constrainedly
- in a constrained manner
- here
- at this time; now
- underground
- in or into hiding or secret operation
- plum
- exactly
- back
- in or to or toward a past time
- endlessly
- (spatial sense) seeming to have no bounds
- officially
- with official authorization
- in detail
- thoroughly (including all important particulars)
- tensely
- in a tense manner
- covertly
- in a covert manner
- obligatorily
- in an obligatory manner
- medically
- involving medical practice
- post-paid
- having the postage paid by the sender