Main entry: strain, tense, tense up
Definition: cause to be tense and uneasy or nervous or anxious
Usage: he got a phone call from his lawyer that tensed him up
Main entry: tense, tense up
Definition: become tense, nervous, or uneasy
Usage: He tensed up when he saw his opponent enter the room
Antonyms: unbend, loosen up, decompress, unwind, relax, slow down
Definition: become less tense, rest, or take one's ease
Main entry: tense
Definition: taut or rigid; stretched tight
Usage: tense piano strings
Antonyms: lax
Definition: lacking in strength or firmness or resilience
Antonyms: leaky
Definition: permitting the unwanted passage of fluids or gases
Antonyms: loose
Definition: not tight; not closely constrained or constricted or constricting
Main entry: tense
Definition: pronounced with relatively tense tongue muscles (e.g., the vowel sound in `beat')
Antonyms: lax
Definition: pronounced with muscles of the tongue and jaw relatively relaxed (e.g., the vowel sound in `bet')
Antonyms: unconstricted
Definition: not constricted physically or by extension psychologically
Main entry: tense
Definition: in or of a state of physical or nervous tension
Antonyms: relaxed
Definition: without strain or anxiety
Antonyms: wireless
Definition: having no wires
Antonyms: isometric
Definition: of or involving muscular contraction in which tension increases while length remains constant
Antonyms: hypertonic
Definition: (of a solution) having a higher osmotic pressure than a comparison solution
Antonyms: hypotonic
Definition: (of a solution) having a lower osmotic pressure than a comparison solution