Expressing an affirmative reply to a question which doesn't involve a negative, e.g. ‘Did you enjoy it?’ ‘Yes (I did enjoy it)’. Cf. no, adv.2 1a.

Expressing agreement with a statement, or assent to a request or command: = yes, adv. 2a 2b.

In various elliptic uses. = Yes. Obsolete. rare.

Expressing assent or adhesion (cf. A. 31b): In assent to or favour of something implied (opposed to fra, fro, adv.). Cf. D. 9b, to and fro, adv. 3.

very well: expressing agreement, approval, or (now especially) acquiescence or acceptance, sometimes with overtones of exasperation or reluctance.

Yes.

In representations of speech: yes.

Yes.

Yes. Cf. yeah, adv.

All right, fine, certainly: an expression of acquiescence, assent or acknowledgement.

colloquial (originally U.S.). Yes. Cf. yup, adv., nope, adv.

Yes. Cf. yep, adv., nope, adv.

Yes.

In representations of speech: = yes, adv.

= yes, adv.

Yes. Cf. yep, adv., nope, adv.

colloquial (originally Australian and New Zealand). too right: expressing emphatic agreement or approval: ‘yes, indeed’, ‘absolutely’.

colloquial (chiefly British). As an emphatic affirmation: ‘just so’; ‘absolutely’. Cf. quite so at phrases 3.