(of something said) Softly, so as not to be heard.

(genetics) The transient, lateral opening of a base pair in a nucleic acid molecule as a result of thermal motion or the presence of a defect

(idiomatic, chiefly imperative) To refrain from speech; to be quiet, especially where it would have no useful effect to speak.

to take a break, or rest while doing a strenuous activity, so that one's breathing becomes easier / to take in a breath sharply and hold it, usually in reaction to a sudden shock, or surprise

(transitive, idiomatic, informal) To devote one's time obsessively to.

(idiomatic) to be relieved; to feel relief.

(dated) Used to declare the truth of a statement with emphasis. / (dated) Used to express surprise at an experience one is witnessing.

plural of breath of fresh air

present participle of eat, breathe, and sleep

Third-person singular simple present indicative form of eat, breathe, and sleep