sub

1. (US, informal)To substitute for.

   be a substitute

2. (US, informal)To work as a substitute teacher, especially in primary and secondary education.

3. (UK, informal)To replace (a player) with a substitute.

   He never really made a contribution to the match, so it was no surprise when he was subbed at half time.

4. (UK, informal, often, uncommon)To bring on (a player) as a substitute.

   He was subbed on half way through the second half, and scored within minutes.

5. (UK)To perform the work of a subeditor or copy editor; to subedit.

6. (Internet, slang, transitive)To subtitle (usually a film or television program).

7. (UK, slang, transitive)To lend (a person) money.

8. (intransitive, slang)To subscribe.

9. To take a submissive role.

10. To coat with a layer of adhering material; to planarize by means of such a coating.

11. To prepare (a slide) with a layer of transparent substance to support and/or fix the sample.

1. Tom is a sub.

   Том - саб. — Ahha

   CC BY 2.0 FR · Tatoeba · CK · B1Open on TatoebaReport a problem

2. He's a sub.

   Він саб. — Ahha

   CC BY 2.0 FR · Tatoeba · DJ_Saidez · B1Open on TatoebaReport a problem

3. The sub is here at last.

   CC BY 2.0 FR · Tatoeba · Amastan · B1Open on TatoebaReport a problem

4. Let's keep this conversation sub rosa.

   ruДавайте оставим этот разговор в тайне. — shanghainese

   deLass uns dieses Gespräch vertraulich behandeln! — Pfirsichbaeumchen

   CC BY 2.0 FR · Tatoeba · _undertoad · B2Open on TatoebaReport a problem

5. How are subs powered with nuclear reactors?

   CC BY 2.0 FR · Tatoeba · Amastan · B2Open on TatoebaReport a problem

regular · Lesson

• sub outTo replace with a substitute: to substitute (something or someone).
• sub inTo replace something or take someone's place,