tense Antonyms

relaxed relax lax tranquil undisturbed decompress daredevil unlax unafraid unagitated tantalise venturous venturesome unbend unclench unconcerned unruffled unstrain unstrained unwind valiant laid-back happy-go-lucky easygoing self-controlled tensionless unbothered uncreased unflustered unperturbed unreel worry-free unflappable untroubled unfazed lionhearted take ten lop-eared romper imperturbable at ease cool as a cucumber even-tempered as cool as a cucumber adventuresome cool cool-headed dispassionate drooping elastic