No
Inattentive is the opposite of attentive.
neglect
Caring, attentive.
The opposite of "lack of attention" would be "being attentive". Paying attention.
Not flexible or having no flexibility
Rigid
inflexible
THE ANSWER FOR RIGIDITY IS FLEXIBLE.........
no- these 2 words are not opposites. In fact, their meanings are really quite unrelated.
The answer to the analogy "rigid is to flexible" is "strict is to lenient." Just as rigid and flexible are opposite in terms of stiffness, strict and lenient are opposite in terms of severity.
If you mean bendy as flexible, the antonym of flexible will be stiff. Written by Brigitte.P age 13
The opposite of rock-hard would be soft or flexible.