Answer:

TENSER

Answer	Crossword Clue
TENSER	Less relaxed
TENSER	Tighter
TENSER	Strung higher?

TENSER	More on the edge
TENSER	More uptight
TENSER	More in need of a chill pill
TENSER	More rigid
TENSER	More anxious
TENSER	More nervous
TENSER	Less at ease
TENSER	More on edge

TENSER	Not as cool
TENSER	Not as relaxed
TENSER	Less loose
TENSER	More high-strung.
TENSER	Less relaxed.
TENSER	More taut.
TENSER	More strained
TENSER	Not so relaxed

TENSER	More jittery
TENSER	Not so cool
TENSER	Wound tighter
TENSER	Less easygoing
TENSER	Less mellow
TENSER	More wound up
TENSER	Like overtime periods vis- -vis regulation play
TENSER	More frenetic

TENSER	More tied up in knots
TENSER	Not as calm
TENSER	More likely to escalate
TENSER	Like overtime periods vis-a-vis regulation play