strait and narrow

NOUN
17 LETTERS · STARTS WITH S

strait and narrow is a valid 17-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1T1R1A1I1T1A1N1D2N1A1R1R1O1W4
1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 4 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does strait and narrow mean?

NOUN · 1 SENSE
1

The way of proper and honest behavior.