careful (adj.)
- accurate
- advertent
- agog
- alert
- assiduous
- attentive
- aware
- calculating
- canny
- cautious
- chary
- cheeseparing
- circumspect
- concentrated
- conscientious
- conscionable
- conscious
- considerate
- critical
- curious
- deliberate
- diligent
- discreet
- discriminating
- discriminative
- duteous
- dutiful
- earnest
- economic
- enlightened
- exact
- fastidious
- finical
- finicky
- forehanded
- foresighted
- frugal
- fussy
- gingerly
- guarded
- heedful
- hesitant
- intense
- intent
- judicial
- judicious
- loving
- meticulous
- mindful
- nice
- niggling
- noncommittal
- observant
- observing
- open-eyed
- openmouthed
- painstaking
- parsimonious
- particular
- pawky
- penny-wise
- politic
- precise
- provident
- prudent
- prudential
- punctilious
- punctual
- reflecting
- reflective
- regardful
- religious
- safe
- saving
- scrupulous
- solicitous
- spare
- sparing
- strict
- studied
- systematic
- tender
- tentative
- thorough
- thoughtful
- thrifty
- unadventurous
- uncommunicative
- unenterprising
- vigilant
- wary
- watchful
- well-advised
So careful of the type she seems,
So careless of the single life.
