Without reason (7)
'without reason' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for inanely that I've seen before include "In a fatuous manner" , "in a daft way" , "Stupidly" , "Vapidly" , "Senselessly" .)
'without reason' is the definition.
('reason' can be 'ground' (synonyms) so maybe 'without reason' can be ''groundless')
This is all the clue.
(Other definitions for groundless that I've seen before include "Without good reason" , "Without justification" .)
(Other definitions for unduly that I've seen before include "Inordinately" , "Unjustifiably" , "Unnecessarily" , "Excessive, unjustified" , "More than is right or proper" .)