Strained (5)
'strained' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for tense that I've seen before include "imperfect, perhaps?" , "past possibly" , "not together?" , "Nervous or tight" , "Verb form, indicates time" .)
'strained' is the definition.
(taxing is a kind of straining)
This is the entire clue.
(Other definitions for taxed that I've seen before include "Was demanding" , "Heavily burdened" , "Stretched" , "Made heavy demands on" , "Levied a duty on" .)