(as) happy as a lark
Meaning: visibly happy and cheerful.
Example: “Sally walked along whistling, as happy as a lark.”
Focused Idiom Category
Animal Idioms
Animal idioms bring vivid pictures of birds, pets, farm animals, and wild creatures into everyday English. They are often used to describe personality, behaviour, competition, caution, loyalty, or unexpected situations without speaking literally about an animal. This collection focuses only on expressions whose central image or established wording is clearly animal-based. Each entry includes a short meaning and a practical example sentence, so readers can understand both the definition and natural usage on the same page. Use the A–Z jump menu to move quickly through the list, or open a related topic when an expression is better understood through emotions, relationships, or nature. These idioms are especially useful for learners who want more natural conversation, memorable vocabulary, and stronger descriptive writing.
16Relevant idioms
A
A Idioms
3 entriesact the goat
Meaning: deliberately to behave in a silly or eccentric way; to play the fool.
Example: “He was asked to leave the class because he was always acting the goat.”
as a duck takes to water
Meaning: easily and naturally.
Example: “She took to singing just as a duck takes to water.”
B
B Idioms
2 entriesbeard the lion in his den
Meaning: to face an adversary on the adversary’s home ground.
Example: “I went to the solicitor’s office to beard the lion in his den.”
black sheep (of the family)
Meaning: a member of a family or group who is unsatisfactory or not up to the standard of the rest; the worst member of the family.
Example: “Mary is the black sheep of the family.”
D
D Idioms
2 entriesdark horse
Meaning: someone whose abilities, plans, or feelings are little known to others.
Example: “It’s difficult to predict who will win the prize—there are two or three dark horses in the tournament.”
dog in the manger
Meaning: one who prevents others from enjoying a privilege that one does not make use of or enjoy oneself.
Example: “Jane is a real dog in the manger.”
E
E Idioms
1 entrieseagle eye
Meaning: careful attention; an intently watchful eye.
Example: “The pupils wrote their essays under the eagle eye of the headmaster.”
H
H Idioms
2 entrieshair of the dog (that bit one)
Meaning: an alcoholic drink taken when one has a hangover.
Example: “I need a hair of the dog.”
have a bee in one’s bonnet
Meaning: to have an idea or a thought remain in one’s mind; to have an obsession.
Example: “She has a bee in her bonnet about table manners.”
K
K Idioms
1 entrieskeep the wolf from the door
Meaning: to maintain oneself at a minimal level; to keep from starving, freezing, etc.
Example: “I don’t make a lot of money, just enough to keep the wolf from the door.”
L
L Idioms
1 entrieslame duck
Meaning: someone or something that is helpless, useless, or inefficient.
Example: “Jack is always having to help his brother, who is a lame duck.”
N
N Idioms
1 entriesneither fish nor fowl
Meaning: not any recognizable thing.
Example: “The car that they drove up in was neither fish nor fowl.”
S
S Idioms
1 entriessacred cow
Meaning: something that is regarded by some people with such respect and veneration that they don’t like it being criticized by anyone in any way.
Example: “University education is a sacred cow in the Smith family.”
T
T Idioms
1 entriestail wagging the dog
Meaning: a situation where a small or minor part is controlling the whole thing.
Example: “It’s a case of the tail wagging the dog.”
W
W Idioms
1 entrieswhite elephant
Meaning: something which is useless and which is either a nuisance or expensive to keep up.
Example: “Bob’s father-in-law has given him an old Rolls-Royce, but it’s a real white elephant.”
Helpful Answers
Frequently asked questions
What is an animal idiom?
An animal idiom is a fixed expression that uses an animal image to communicate a non-literal meaning about people, behaviour, or situations.
Are animal idioms always about animals?
No. The wording mentions an animal, but the intended meaning usually describes a human quality, action, relationship, or result.
How should I learn animal idioms?
Learn the idiom, its figurative meaning, and one realistic sentence together. The visual animal image often makes the expression easier to remember.
Can animal idioms be used formally?
Some can, but many sound more natural in conversation, journalism, stories, and informal business communication. Always check the context first.
Why are some animal expressions excluded?
This page includes only idioms whose main wording or recognised theme is genuinely animal-related, preventing unrelated expressions from being mixed into the category.
