sub

C2+ Topic:Actions & Processes

US /sʌb/ UK /sʌb/ See IPA manual

noun verb

Meanings

1

noun
a substitute, submarine, or subscription; or to act as a substitute

She agreed to sub for the absent teacher on short notice.

Thesaurus

Synonyms

1 noun · a substitute, submarine, or... substitute replacement submarinestand-indeputy relief

Word family

Related forms substitute submarine subscription

Etymology

A clipping of various words beginning with sub-, chiefly substitute, submarine, and subscription, ultimately from Latin sub ('under, beneath, close to').

sub Latin

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Actions & Processes

# sub

**Type:** Word
**Level:** C2+
**Part of speech:** noun, verb
**IPA (US):** sʌb
**IPA (UK):** sʌb

## Meanings
1. a substitute, submarine, or subscription; or to act as a substitute

## Examples
- She agreed to sub for the absent teacher on short notice.

## Synonyms
- substitute
- replacement
- submarine
- stand-in
- deputy
- relief

## Related Forms
- substitute
- submarine
- subscription

## Roots and Affixes
- Root: sub

## Etymology
A clipping of various words beginning with sub-, chiefly substitute, submarine, and subscription, ultimately from Latin sub ('under, beneath, close to').

## AI Etymology
Sub is a clipping of various words beginning with sub-, chiefly substitute, submarine, and subscription, ultimately from Latin sub ('under, beneath, close to'). Its shape is shortened by clipping, which explains why the modern form is briefer than the older words behind it. As a noun and verb, it denotes "a substitute, submarine, or subscription; or to act as a substitute", keeping the historical idea close to its dictionary sense. Relevant historical forms include Latin sub. Related words include substitute, submarine, subscription.

## Topics
- Actions & Processes

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sub

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