As a professional, I can say that the question of whether verbal agreements are legal is a common one. The answer is not a straightforward one, as it depends on the context of the agreement and the jurisdiction in which it was made.

Verbal agreements are legally enforceable in many cases, but they can be difficult to prove in court. In general, the enforceability of a verbal agreement depends on whether there is sufficient evidence to prove that an agreement was made, and what the terms of that agreement were.

One of the most important factors in determining the legality of a verbal agreement is the statute of frauds. This law requires certain types of contracts to be in writing, including contracts for the sale of real estate, contracts that cannot be performed within one year, and contracts for the sale of goods over a certain dollar amount.

If a contract falls under the statute of frauds and is not in writing, it is generally unenforceable. However, there are some exceptions to this rule, such as when one party has partially performed the contract or when both parties have clearly acted in a manner consistent with the terms of the agreement.

Another important consideration is the evidence of the agreement. Verbal agreements can be difficult to prove in court, as there is no written record of what was agreed to. However, there are ways to establish the existence of a verbal agreement, such as through witness testimony, email or text correspondence, or recording the conversation.

In general, it is always advisable to put agreements in writing, even if they are initially negotiated verbally. This can help avoid misunderstandings and disputes down the road, and can provide a clear record of the terms of the agreement.

In conclusion, while verbal agreements can be legally enforceable in many cases, they can also be difficult to prove in court and are subject to certain limitations. It is always advisable to put agreements in writing, whenever possible, in order to avoid potential disputes and provide a clear record of the terms of the agreement.