Definitions for "Constrained"
lacking spontaneity; not natural; "a constrained smile"; "forced heartiness"; "a strained smile"
Forced or compelled against the will, resulting in undue sustained muscluar contraction. E.g., the horse may be constrained to bend, or flex, or to move forward at speed.
Marked by constraint; not free; not voluntary; embarrassed; as, a constrained manner; a constrained tone.