Dictionary.com
Thesaurus.com
Synonyms

beside

American  
[bih-sahyd] / bɪˈsaɪd /

preposition

  1. by or at the side of; near.

    Sit down beside me.

  2. compared with.

    Beside him other writers seem amateurish.

  3. apart from; not connected with.

    beside the point; beside the question.

  4. besides.


adverb

  1. along the side of something.

    The family rode in the carriage, and the dog ran along beside.

  2. besides.

idioms

  1. beside oneself, almost out of one's senses from a strong emotion, as from joy, delight, anger, fear, or grief.

    He was beside himself with rage when the train left without him.

beside British  
/ bɪˈsaɪd /

preposition

  1. next to; at, by, or to the side of

  2. as compared with

  3. away from; wide of

    beside the point

  4. archaic besides

  5. overwhelmed; overwrought

    beside oneself with grief

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. at, by, to, or along the side of something or someone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Commonly Confused

For the prepositional meanings “over and above, in addition to” and “except” besides is preferred, especially in edited writing: Besides these honors he received a sum of money. We heard no other sound besides the breaking surf. However, beside sometimes occurs with these meanings as well.

Etymology

Origin of beside

before 1000; Middle English; earlier bi-siden, Old English bī sīdan, be sīdan; be-, side 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Makaziwe, Mandela's only daughter with his first wife, welcomed the Supreme Court's judgment, blasting the heritage agency for presuming "to know my father's last wishes better than those who were beside him at the end - his family".

From BBC

“A country’s status—ally, rival or neutral—is irrelevant beside the fundamental question of its utility.”

From The Wall Street Journal

Concerns over the scale of illegal waste activity hit the headlines at the end of last year when approximately 20,000 tonnes of waste was dumped illegally on a field beside the A34 at Kidlington in Oxfordshire over a period of several months.

From BBC

They are asserting ownership of their country, with young people raised under repression standing beside elders who remember freedom.

From Salon

She sat down beside Natalie and put an arm around her, letting Natalie cry into her shoulder.

From Literature