Answer:

strained

Answer	Crossword Clue
STRAINED	Stretched to the limit
STRAINED	Tense, as relations
STRAINED	Like some relations

STRAINED	Applied elbow grease
STRAINED	Prepared baby food
STRAINED	Like much baby food
STRAINED	Filtered.
STRAINED	Tense.
STRAINED	Under great tension
STRAINED	Exerted oneself
STRAINED	Filtered

STRAINED	Done with excessive effort
STRAINED	Like some muscles and baby food
STRAINED	Put through a sieve
STRAINED	Like a baby's peas
STRAINED	Taxed
STRAINED	Not natural
STRAINED	Material commonly used during cathedral construction