Check Dictionary
Find out more about a word, its definitions, and word-game validity.
Dictionary Checker helps you quickly verify whether a word appears in the same local English word list used by our word tools.
Valid in These Word Lists
TWL/NWL compatible English word list
Local OneTimeRead word tools dictionary
Meaning of slack
noun
- The part of anything that hangs loose, having no strain upon it. Example: take in the slack
- A tidal marsh or shallow that periodically fills and drains.
adjective
- (normally said of a rope) Lax; not tense; not firmly extended. Example: a slack rope
- Weak; not holding fast. Example: a slack hand
- Lacking diligence or care; not earnest or eager. Example: slack in duty or service
- Not active,successful, or violent. Example: Business is slack.
- Excess; surplus to requirements. Example: the slack capacity of an oil pipeline
adverb
- Slackly. Example: slack dried hops
verb
- To slacken.
- To mitigate; to reduce the strength of.
- To lose cohesion or solidity by a chemical combination with water; to slake. Example: Lime slacks.
noun
- A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place.
noun
- A valley, or small, shallow dell.
Source: Free Dictionary API.
What is a Dictionary Checker?
A dictionary checker verifies whether a typed word exists in a word list. It is useful for word games, puzzle checks, spelling checks, and quick vocabulary confirmation.
How It Works
The tool cleans the input, compares it against a local English word list, and then tries to load definitions from a free dictionary source when available.